diff --git a/Cargo.lock b/Cargo.lock
index ad77f8bd54..176c43d90e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -77,6 +77,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -173,6 +184,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -221,12 +238,16 @@ dependencies = [
 name = "cosmwasm-vm"
 version = "0.13.2"
 dependencies = [
+ "base64",
  "clap",
  "clru",
  "cosmwasm-std",
  "criterion",
+ "elliptic-curve",
  "hex",
+ "k256",
  "parity-wasm",
+ "rand_core",
  "schemars",
  "serde",
  "serde_json",
@@ -400,6 +421,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "csv"
 version = "1.1.5"
@@ -457,6 +488,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -492,12 +532,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -525,12 +593,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -569,6 +654,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "half"
 version = "1.6.0"
@@ -596,6 +692,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -637,6 +743,17 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -796,6 +913,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "plotters"
 version = "0.2.15"
@@ -856,6 +982,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -1147,6 +1279,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -1171,6 +1313,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.58"
@@ -1670,3 +1818,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/contracts/burner/Cargo.lock b/contracts/burner/Cargo.lock
index 0085a97bc0..28a415fb07 100644
--- a/contracts/burner/Cargo.lock
+++ b/contracts/burner/Cargo.lock
@@ -57,6 +57,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -109,6 +120,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -149,6 +166,7 @@ dependencies = [
  "clru",
  "cosmwasm-std",
  "hex",
+ "k256",
  "parity-wasm",
  "schemars",
  "serde",
@@ -285,6 +303,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -320,6 +348,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -355,12 +392,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -388,12 +453,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -432,6 +514,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -453,6 +546,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -476,6 +579,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -604,6 +718,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -652,6 +775,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -876,6 +1005,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -894,6 +1033,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.58"
@@ -1261,3 +1406,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/contracts/hackatom/Cargo.lock b/contracts/hackatom/Cargo.lock
index 88e90c8e72..2ec685f40c 100644
--- a/contracts/hackatom/Cargo.lock
+++ b/contracts/hackatom/Cargo.lock
@@ -57,6 +57,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -98,6 +109,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -146,6 +163,7 @@ dependencies = [
  "clru",
  "cosmwasm-std",
  "hex",
+ "k256",
  "parity-wasm",
  "schemars",
  "serde",
@@ -282,6 +300,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -317,6 +345,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -352,12 +389,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -385,12 +450,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -429,6 +511,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "hackatom"
 version = "0.0.0"
@@ -464,6 +557,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -487,6 +590,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -615,6 +729,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -663,6 +786,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -887,6 +1016,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -905,6 +1044,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.58"
@@ -1272,3 +1417,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/contracts/ibc-reflect-send/Cargo.lock b/contracts/ibc-reflect-send/Cargo.lock
index 4ca4f2aa49..08e70944ba 100644
--- a/contracts/ibc-reflect-send/Cargo.lock
+++ b/contracts/ibc-reflect-send/Cargo.lock
@@ -57,6 +57,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -98,6 +109,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -146,6 +163,7 @@ dependencies = [
  "clru",
  "cosmwasm-std",
  "hex",
+ "k256",
  "parity-wasm",
  "schemars",
  "serde",
@@ -282,6 +300,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -317,6 +345,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -352,12 +389,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -385,12 +450,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -429,6 +511,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -450,6 +543,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ibc-reflect-send"
 version = "0.0.0"
@@ -485,6 +588,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -613,6 +727,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -661,6 +784,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -885,6 +1014,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -903,6 +1042,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.57"
@@ -1270,3 +1415,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/contracts/ibc-reflect/Cargo.lock b/contracts/ibc-reflect/Cargo.lock
index 9ce0e223b8..951e46c64e 100644
--- a/contracts/ibc-reflect/Cargo.lock
+++ b/contracts/ibc-reflect/Cargo.lock
@@ -57,6 +57,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -98,6 +109,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -146,6 +163,7 @@ dependencies = [
  "clru",
  "cosmwasm-std",
  "hex",
+ "k256",
  "parity-wasm",
  "schemars",
  "serde",
@@ -282,6 +300,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -317,6 +345,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -352,12 +389,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -385,12 +450,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -429,6 +511,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -450,6 +543,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ibc-reflect"
 version = "0.0.0"
@@ -485,6 +588,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -613,6 +727,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -661,6 +784,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -885,6 +1014,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -903,6 +1042,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.57"
@@ -1270,3 +1415,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/contracts/queue/Cargo.lock b/contracts/queue/Cargo.lock
index 895ec93da9..2ac8473834 100644
--- a/contracts/queue/Cargo.lock
+++ b/contracts/queue/Cargo.lock
@@ -57,6 +57,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -98,6 +109,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -138,6 +155,7 @@ dependencies = [
  "clru",
  "cosmwasm-std",
  "hex",
+ "k256",
  "parity-wasm",
  "schemars",
  "serde",
@@ -274,6 +292,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -309,6 +337,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -344,12 +381,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -377,12 +442,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -421,6 +503,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -442,6 +535,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -465,6 +568,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -593,6 +707,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -652,6 +775,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -876,6 +1005,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -894,6 +1033,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.58"
@@ -1261,3 +1406,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/contracts/reflect/Cargo.lock b/contracts/reflect/Cargo.lock
index d8b86e635e..369912f0e3 100644
--- a/contracts/reflect/Cargo.lock
+++ b/contracts/reflect/Cargo.lock
@@ -57,6 +57,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -98,6 +109,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -146,6 +163,7 @@ dependencies = [
  "clru",
  "cosmwasm-std",
  "hex",
+ "k256",
  "parity-wasm",
  "schemars",
  "serde",
@@ -282,6 +300,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -317,6 +345,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -352,12 +389,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -385,12 +450,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -429,6 +511,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -450,6 +543,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -473,6 +576,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -601,6 +715,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -649,6 +772,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -886,6 +1015,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -904,6 +1043,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.58"
@@ -1271,3 +1416,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/contracts/staking/Cargo.lock b/contracts/staking/Cargo.lock
index 515d8db47d..059c651876 100644
--- a/contracts/staking/Cargo.lock
+++ b/contracts/staking/Cargo.lock
@@ -57,6 +57,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitvec"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2838fdd79e8776dbe07a106c784b0f8dda571a21b2750a092cc4cbaa653c8e"
+dependencies = [
+ "funty",
+ "radium",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -98,6 +109,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5d82796b70971fbb603900a5edc797a4d9be0f9ec1257f83a1dba0aa374e3e9"
+
 [[package]]
 name = "const_fn"
 version = "0.4.4"
@@ -146,6 +163,7 @@ dependencies = [
  "clru",
  "cosmwasm-std",
  "hex",
+ "k256",
  "parity-wasm",
  "schemars",
  "serde",
@@ -282,6 +300,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "darling"
 version = "0.10.2"
@@ -317,6 +345,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51f59c66c30bb7445c8320a5f9233e437e3572368099f25532a59054328899b4"
+dependencies = [
+ "const-oid",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -358,12 +395,40 @@ dependencies = [
  "memmap",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fbdb4ff710acb4db8ca29f93b897529ea6d6a45626d5183b47e012aa6ae7e4"
+dependencies = [
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b1c857559479c056b73a3053c717108a70e4dce320ad28c79c63f5c2e62ba"
+dependencies = [
+ "bitvec",
+ "digest",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enumset"
 version = "1.0.4"
@@ -391,12 +456,29 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "ff"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01646e077d4ebda82b73f1bca002ea1e91561a77df2431a9e79729bcc31950ef"
+dependencies = [
+ "bitvec",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -435,6 +517,17 @@ version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
+[[package]]
+name = "group"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc11f9f5fbf1943b48ae7c2bf6846e7d827a512d1be4f23af708f5ca5d01dde1"
+dependencies = [
+ "ff",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.9.1"
@@ -456,6 +549,16 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -479,6 +582,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "k256"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf02ecc966e1b7e8db1c81ac8f321ba24d1cfab5b634961fab10111f015858e1"
+dependencies = [
+ "cfg-if 1.0.0",
+ "ecdsa",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -607,6 +721,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
 
+[[package]]
+name = "pkcs8"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4839a901843f3942576e65857f0ebf2e190ef7024d3c62a94099ba3f819ad1d"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
@@ -655,6 +778,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64de9a0c5361e034f1aefc9f71a86871ec870e766fe31a009734a989b329286a"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -879,6 +1008,16 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "signature"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.6.0"
@@ -931,6 +1070,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "subtle"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
+
 [[package]]
 name = "syn"
 version = "1.0.58"
@@ -1298,3 +1443,15 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "zeroize"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
diff --git a/packages/std/src/imports.rs b/packages/std/src/imports.rs
index e7665775bd..264719ba5c 100644
--- a/packages/std/src/imports.rs
+++ b/packages/std/src/imports.rs
@@ -5,6 +5,7 @@ use crate::binary::Binary;
 use crate::errors::{StdError, StdResult, SystemError};
 use crate::memory::{alloc, build_region, consume_region, Region};
 use crate::results::SystemResult;
+#[cfg(feature = "iterator")]
 use crate::sections::decode_sections2;
 use crate::serde::from_slice;
 use crate::traits::{Api, Querier, QuerierResult, Storage};
@@ -35,6 +36,9 @@ extern "C" {
 
     fn canonicalize_address(source_ptr: u32, destination_ptr: u32) -> u32;
     fn humanize_address(source_ptr: u32, destination_ptr: u32) -> u32;
+
+    fn secp256k1_verify(message_hash_ptr: u32, signature_ptr: u32, public_key_ptr: u32) -> u32;
+
     fn debug(source_ptr: u32);
 
     /// Executes a query on the chain (import). Not to be confused with the
@@ -178,6 +182,22 @@ impl Api for ExternalApi {
         Ok(address.into())
     }
 
+    fn secp256k1_verify(&self, message_hash: &[u8], signature: &[u8], public_key: &[u8]) -> bool {
+        let hash_send = build_region(message_hash);
+        let hash_send_ptr = &*hash_send as *const Region as u32;
+        let sig_send = build_region(signature);
+        let sig_send_ptr = &*sig_send as *const Region as u32;
+        let pubkey_send = build_region(public_key);
+        let pubkey_send_ptr = &*pubkey_send as *const Region as u32;
+
+        let result = unsafe { secp256k1_verify(hash_send_ptr, sig_send_ptr, pubkey_send_ptr) };
+        match result {
+            0 => false,
+            1 => true,
+            _ => unreachable!(),
+        }
+    }
+
     fn debug(&self, message: &str) {
         // keep the boxes in scope, so we free it at the end (don't cast to pointers same line as build_region)
         let region = build_region(message.as_bytes());
diff --git a/packages/std/src/mock.rs b/packages/std/src/mock.rs
index 21844cdc40..486b9908ba 100644
--- a/packages/std/src/mock.rs
+++ b/packages/std/src/mock.rs
@@ -120,6 +120,15 @@ impl Api for MockApi {
         Ok(human.into())
     }
 
+    fn secp256k1_verify(
+        &self,
+        _message_hash: &[u8],
+        _signature: &[u8],
+        _public_key: &[u8],
+    ) -> bool {
+        true
+    }
+
     fn debug(&self, message: &str) {
         println!("{}", message);
     }
diff --git a/packages/std/src/traits.rs b/packages/std/src/traits.rs
index 8cea2f7ab3..93d1d0bc2f 100644
--- a/packages/std/src/traits.rs
+++ b/packages/std/src/traits.rs
@@ -66,6 +66,9 @@ pub trait Storage {
 pub trait Api {
     fn canonical_address(&self, human: &HumanAddr) -> StdResult<CanonicalAddr>;
     fn human_address(&self, canonical: &CanonicalAddr) -> StdResult<HumanAddr>;
+
+    fn secp256k1_verify(&self, message_hash: &[u8], signature: &[u8], public_key: &[u8]) -> bool;
+
     /// Emits a debugging message that is handled depending on the environment (typically printed to console or ignored).
     /// Those messages are not persisted to chain.
     fn debug(&self, message: &str);
diff --git a/packages/vm/Cargo.toml b/packages/vm/Cargo.toml
index e12dcb3c95..66dc0fac30 100644
--- a/packages/vm/Cargo.toml
+++ b/packages/vm/Cargo.toml
@@ -43,6 +43,7 @@ sha2 = "0.9.1"
 thiserror = "1.0"
 wasmer = { version = "1.0.2", default-features = false, features = ["jit", "singlepass"] }
 wasmer-middlewares = { version = "1.0.2" }
+k256 = { version = "0.7.2", features = ["ecdsa"] }
 
 # Wasmer git/local (used for quick local debugging or patching)
 # wasmer = { git = "https://github.com/wasmerio/wasmer", rev = "1.0.2", default-features = false, features = ["jit", "singlepass"] }
@@ -55,6 +56,9 @@ criterion = "0.3"
 tempfile = "3.1.0"
 wat = "1.0"
 clap = "2.33.3"
+base64 = "0.13.0"
+rand_core = { version = "0.5", features = ["getrandom"] }
+elliptic-curve = "0.8.4"
 
 [[bench]]
 name = "main"
diff --git a/packages/vm/src/compatibility.rs b/packages/vm/src/compatibility.rs
index 8f5a9fcd78..117eecf13c 100644
--- a/packages/vm/src/compatibility.rs
+++ b/packages/vm/src/compatibility.rs
@@ -15,6 +15,7 @@ const SUPPORTED_IMPORTS: &[&str] = &[
     "env.db_remove",
     "env.canonicalize_address",
     "env.humanize_address",
+    "env.secp256k1_verify",
     "env.debug",
     "env.query_chain",
     #[cfg(feature = "iterator")]
@@ -319,6 +320,7 @@ mod tests {
             (import "env" "db_remove" (func (param i32) (result i32)))
             (import "env" "canonicalize_address" (func (param i32 i32) (result i32)))
             (import "env" "humanize_address" (func (param i32 i32) (result i32)))
+            (import "env" "secp256k1_verify" (func (param i32 i32 i32) (result i32)))
         )"#,
         )
         .unwrap();
diff --git a/packages/vm/src/crypto.rs b/packages/vm/src/crypto.rs
new file mode 100644
index 0000000000..5c2f8094ae
--- /dev/null
+++ b/packages/vm/src/crypto.rs
@@ -0,0 +1,183 @@
+use k256::{
+    ecdsa::signature::{DigestVerifier, Signature as _}, // traits
+    ecdsa::{Signature, VerifyingKey},                   // type aliases
+};
+use sha2::Digest; // trait
+
+use crate::errors::{VmError, VmResult};
+use crate::identity_digest::Identity256;
+
+pub fn secp256k1_verify(
+    message_hash: &[u8],
+    signature: &[u8],
+    public_key: &[u8],
+) -> VmResult<bool> {
+    // Already hashed, just build Digest container
+    let message_digest = Identity256::new().chain(message_hash);
+
+    let mut signature =
+        Signature::from_bytes(signature).map_err(|e| VmError::crypto_err(e.to_string()))?;
+    // Non low-S signatures require normalization
+    signature
+        .normalize_s()
+        .map_err(|e| VmError::crypto_err(e.to_string()))?;
+
+    let public_key = VerifyingKey::from_sec1_bytes(public_key)
+        .map_err(|e| VmError::crypto_err(e.to_string()))?;
+
+    match public_key.verify_digest(message_digest, &signature) {
+        Ok(_) => Ok(true),
+        Err(_) => Ok(false),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use elliptic_curve::sec1::ToEncodedPoint;
+    use rand_core::OsRng;
+
+    use k256::{
+        ecdsa::signature::DigestSigner, // trait
+        ecdsa::SigningKey,              // type alias
+    };
+    use sha2::Sha256;
+
+    // Generic signature verification
+    const MSG: &str = "Hello World!";
+
+    // Cosmos signature verification
+    // tendermint/PubKeySecp256k1 pubkey
+    const COSMOS_PUBKEY_BASE64: &str = "A08EGB7ro1ORuFhjOnZcSgwYlpe0DSFjVNUIkNNQxwKQ";
+
+    const COSMOS_MSG_HEX1: &str = "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";
+    const COSMOS_MSG_HEX2: &str = "0a93010a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d12073132333435363712670a500a460a1f2f636f736d6f732e63727970746f2e736563703235366b312e5075624b657912230a21034f04181eeba35391b858633a765c4a0c189697b40d216354d50890d350c7029012040a020801180112130a0d0a0575636f736d12043230303010c09a0c1a0c73696d642d74657374696e672001";
+    const COSMOS_MSG_HEX3: &str = "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";
+
+    const COSMOS_SIGNATURE_HEX1: &str = "c9dd20e07464d3a688ff4b710b1fbc027e495e797cfa0b4804da2ed117959227772de059808f765aa29b8f92edf30f4c2c5a438e30d3fe6897daa7141e3ce6f9";
+    const COSMOS_SIGNATURE_HEX2: &str = "525adc7e61565a509c60497b798c549fbf217bb5cd31b24cc9b419d098cc95330c99ecc4bc72448f85c365a4e3f91299a3d40412fb3751bab82f1940a83a0a4c";
+    const COSMOS_SIGNATURE_HEX3: &str = "f3f2ca73806f2abbf6e0fe85f9b8af66f0e9f7f79051fdb8abe5bb8633b17da132e82d577b9d5f7a6dae57a144efc9ccc6eef15167b44b3b22a57240109762af";
+
+    // Test data originally from https://github.com/cosmos/cosmjs/blob/v0.24.0-alpha.22/packages/crypto/src/secp256k1.spec.ts#L195-L394
+    const COSMOS_TESTS_JSON: &str = "./testdata/secp256k1_tests.json";
+
+    #[test]
+    fn test_secp256k1_verify() {
+        // Explicit / external hashing
+        let message_digest = Sha256::new().chain(MSG);
+        let message_hash = message_digest.clone().finalize();
+
+        // Signing
+        let secret_key = SigningKey::random(&mut OsRng); // Serialize with `::to_bytes()`
+
+        // Note: the signature type must be annotated or otherwise inferrable as
+        // `Signer` has many impls of the `Signer` trait (for both regular and
+        // recoverable signature types).
+        let signature: Signature = secret_key.sign_digest(message_digest);
+
+        let public_key = VerifyingKey::from(&secret_key); // Serialize with `::to_encoded_point()`
+
+        // Verification (uncompressed public key)
+        assert!(secp256k1_verify(
+            &message_hash,
+            signature.as_bytes(),
+            public_key.to_encoded_point(false).as_bytes()
+        )
+        .unwrap());
+
+        // Verification (compressed public key)
+        assert!(secp256k1_verify(
+            &message_hash,
+            signature.as_bytes(),
+            public_key.to_encoded_point(true).as_bytes()
+        )
+        .unwrap());
+
+        // Wrong message fails
+        let bad_message_hash = Sha256::new().chain([MSG, "\0"].concat()).finalize();
+        assert!(!secp256k1_verify(
+            &bad_message_hash,
+            signature.as_bytes(),
+            public_key.to_encoded_point(false).as_bytes()
+        )
+        .unwrap());
+
+        // Other pubkey fails
+        let other_secret_key = SigningKey::random(&mut OsRng);
+        let other_public_key = VerifyingKey::from(&other_secret_key);
+        assert!(!secp256k1_verify(
+            &message_hash,
+            signature.as_bytes(),
+            other_public_key.to_encoded_point(false).as_bytes()
+        )
+        .unwrap());
+    }
+
+    #[test]
+    fn test_cosmos_secp256k1_verify() {
+        let public_key = base64::decode(COSMOS_PUBKEY_BASE64).unwrap();
+
+        for ((i, msg), sig) in (1..)
+            .zip(&[COSMOS_MSG_HEX1, COSMOS_MSG_HEX2, COSMOS_MSG_HEX3])
+            .zip(&[
+                COSMOS_SIGNATURE_HEX1,
+                COSMOS_SIGNATURE_HEX2,
+                COSMOS_SIGNATURE_HEX3,
+            ])
+        {
+            let message = hex::decode(msg).unwrap();
+            let signature = hex::decode(sig).unwrap();
+
+            // Explicit hash
+            let message_hash = Sha256::new().chain(&message).finalize();
+
+            // secp256k1_verify works
+            assert!(
+                secp256k1_verify(&message_hash, &signature, &public_key).unwrap(),
+                format!("secp256k1_verify() failed (test case {})", i)
+            );
+        }
+    }
+
+    #[test]
+    fn test_cosmos_extra_secp256k1_verify() {
+        use std::fs::File;
+        use std::io::BufReader;
+
+        use serde::Deserialize;
+
+        #[derive(Deserialize, Debug)]
+        struct Encoded {
+            message: String,
+            message_hash: String,
+            signature: String,
+            #[serde(rename = "pubkey")]
+            public_key: String,
+        }
+
+        // Open the file in read-only mode with buffer.
+        let file = File::open(COSMOS_TESTS_JSON).unwrap();
+        let reader = BufReader::new(file);
+
+        let codes: Vec<Encoded> = serde_json::from_reader(reader).unwrap();
+
+        for (i, encoded) in (1..).zip(codes) {
+            let message = hex::decode(&encoded.message).unwrap();
+
+            let hash = hex::decode(&encoded.message_hash).unwrap();
+            let message_hash = Sha256::new().chain(&message).finalize();
+            assert_eq!(hash.as_slice(), message_hash.as_slice());
+
+            let signature = hex::decode(&encoded.signature).unwrap();
+
+            let public_key = hex::decode(&encoded.public_key).unwrap();
+
+            // secp256k1_verify() works
+            assert!(
+                secp256k1_verify(&message_hash, &signature, &public_key).unwrap(),
+                format!("verify() failed (test case {})", i)
+            );
+        }
+    }
+}
diff --git a/packages/vm/src/errors/vm_error.rs b/packages/vm/src/errors/vm_error.rs
index a071f740c5..4130353bfe 100644
--- a/packages/vm/src/errors/vm_error.rs
+++ b/packages/vm/src/errors/vm_error.rs
@@ -42,6 +42,12 @@ pub enum VmError {
         #[cfg(feature = "backtraces")]
         backtrace: Backtrace,
     },
+    #[error("Crypto error: {msg}")]
+    CryptoErr {
+        msg: String,
+        #[cfg(feature = "backtraces")]
+        backtrace: Backtrace,
+    },
     #[error("Ran out of gas during contract execution")]
     GasDepletion {
         #[cfg(feature = "backtraces")]
@@ -133,6 +139,7 @@ impl VmError {
             backtrace: Backtrace::capture(),
         }
     }
+
     pub(crate) fn cache_err<S: Into<String>>(msg: S) -> Self {
         VmError::CacheErr {
             msg: msg.into(),
@@ -163,6 +170,14 @@ impl VmError {
         }
     }
 
+    pub(crate) fn crypto_err<S: Into<String>>(msg: S) -> Self {
+        VmError::CryptoErr {
+            msg: msg.into(),
+            #[cfg(feature = "backtraces")]
+            backtrace: Backtrace::capture(),
+        }
+    }
+
     pub(crate) fn gas_depletion() -> Self {
         VmError::GasDepletion {
             #[cfg(feature = "backtraces")]
diff --git a/packages/vm/src/identity_digest.rs b/packages/vm/src/identity_digest.rs
new file mode 100644
index 0000000000..ac16bda6e9
--- /dev/null
+++ b/packages/vm/src/identity_digest.rs
@@ -0,0 +1,43 @@
+//! Dummy 256-bits Digest impl.
+//! This digest stores/accepts a value of the proper length.
+//! To be used for / with already hashed values, just to comply with the Digest contract.
+//!
+//! Adapted from `sha2` [sha256.rs](https://github.com/RustCrypto/hashes/blob/master/sha2/src/sha256.rs)
+use sha2::digest::consts::U32;
+use sha2::digest::generic_array::GenericArray;
+use sha2::digest::{FixedOutputDirty, Output, Reset, Update};
+
+/// The 256-bits identity container
+#[derive(Clone)]
+pub struct Identity256 {
+    array: GenericArray<u8, U32>,
+}
+
+impl Default for Identity256 {
+    fn default() -> Self {
+        Identity256 {
+            array: GenericArray::default(),
+        }
+    }
+}
+
+impl Update for Identity256 {
+    fn update(&mut self, hash: impl AsRef<[u8]>) {
+        assert_eq!(hash.as_ref().len(), 32);
+        self.array = *GenericArray::from_slice(hash.as_ref());
+    }
+}
+
+impl FixedOutputDirty for Identity256 {
+    type OutputSize = U32;
+
+    fn finalize_into_dirty(&mut self, out: &mut Output<Self>) {
+        *out = self.array;
+    }
+}
+
+impl Reset for Identity256 {
+    fn reset(&mut self) {
+        *self = Self::default();
+    }
+}
diff --git a/packages/vm/src/imports.rs b/packages/vm/src/imports.rs
index dd72f6d44a..f47a30b4b8 100644
--- a/packages/vm/src/imports.rs
+++ b/packages/vm/src/imports.rs
@@ -3,6 +3,7 @@
 #[cfg(feature = "iterator")]
 use std::convert::TryInto;
 
+use crate::crypto::secp256k1_verify;
 #[cfg(feature = "iterator")]
 use cosmwasm_std::Order;
 use cosmwasm_std::{CanonicalAddr, HumanAddr};
@@ -15,6 +16,9 @@ use crate::errors::{CommunicationError, VmError, VmResult};
 use crate::memory::maybe_read_region;
 use crate::memory::{read_region, write_region};
 use crate::serde::to_vec;
+use crate::GasInfo;
+
+const GAS_COST_VERIFY_SECP256K1_SIGNATURE: u64 = 100;
 
 /// A kibi (kilo binary)
 const KI: usize = 1024;
@@ -29,6 +33,16 @@ const MAX_LENGTH_CANONICAL_ADDRESS: usize = 32;
 /// The maximum allowed size for bech32 (https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki#bech32)
 const MAX_LENGTH_HUMAN_ADDRESS: usize = 90;
 const MAX_LENGTH_QUERY_CHAIN_REQUEST: usize = 64 * KI;
+
+/// Length of a (sha-256) hash in bytes
+const LENGTH_SHA256_HASH: usize = 32;
+
+/// Max length of a serialized signature
+const MAX_LENGTH_SIGNATURE: usize = 64;
+
+/// Max length of a (uncompressed) serialized public key
+const MAX_LENGTH_PUBKEY: usize = 65;
+
 /// Max length for a debug message
 const MAX_LENGTH_DEBUG: usize = 2 * MI;
 
@@ -75,6 +89,15 @@ pub fn native_humanize_address<A: Api, S: Storage, Q: Querier>(
     do_humanize_address(&env, source_ptr, destination_ptr)
 }
 
+pub fn native_secp256k1_verify<A: Api, S: Storage, Q: Querier>(
+    env: &Environment<A, S, Q>,
+    hash_ptr: u32,
+    signature_ptr: u32,
+    pubkey_ptr: u32,
+) -> VmResult<u32> {
+    do_secp256k1_verify(env, hash_ptr, signature_ptr, pubkey_ptr)
+}
+
 pub fn native_query_chain<A: Api, S: Storage, Q: Querier>(
     env: &Environment<A, S, Q>,
     request_ptr: u32,
@@ -232,6 +255,27 @@ fn do_humanize_address<A: Api, S: Storage, Q: Querier>(
     }
 }
 
+fn do_secp256k1_verify<A: Api, S: Storage, Q: Querier>(
+    env: &Environment<A, S, Q>,
+    hash_ptr: u32,
+    signature_ptr: u32,
+    pubkey_ptr: u32,
+) -> VmResult<u32> {
+    let hash = read_region(&env.memory(), hash_ptr, LENGTH_SHA256_HASH)?;
+
+    let signature = read_region(&env.memory(), signature_ptr, MAX_LENGTH_SIGNATURE)?;
+
+    let pubkey = read_region(&env.memory(), pubkey_ptr, MAX_LENGTH_PUBKEY)?;
+
+    let result = secp256k1_verify(&hash, &signature, &pubkey);
+    let gas_info = GasInfo::with_cost(GAS_COST_VERIFY_SECP256K1_SIGNATURE);
+    process_gas_info::<A, S, Q>(env, gas_info)?;
+    match result {
+        Ok(b) => Ok(b.into()),
+        Err(err) => Err(err),
+    }
+}
+
 /// Creates a Region in the contract, writes the given data to it and returns the memory location
 fn write_to_contract<A: Api, S: Storage, Q: Querier>(
     env: &Environment<A, S, Q>,
diff --git a/packages/vm/src/instance.rs b/packages/vm/src/instance.rs
index f38efeff88..9aa486ac27 100644
--- a/packages/vm/src/instance.rs
+++ b/packages/vm/src/instance.rs
@@ -10,7 +10,7 @@ use crate::errors::{CommunicationError, VmError, VmResult};
 use crate::features::required_features_from_wasmer_instance;
 use crate::imports::{
     native_canonicalize_address, native_db_read, native_db_remove, native_db_write, native_debug,
-    native_humanize_address, native_query_chain,
+    native_humanize_address, native_query_chain, native_secp256k1_verify,
 };
 #[cfg(feature = "iterator")]
 use crate::imports::{native_db_next, native_db_scan};
@@ -122,6 +122,14 @@ where
             Function::new_native_with_env(store, env.clone(), native_humanize_address),
         );
 
+        // Verifies message hashes against a signature with a public key, using the secp256k1 ECDSA parametrization.
+        // Returns 1 on verification success and 0 on failure.
+        // Ownership of input pointers is not transferred to the host.
+        env_imports.insert(
+            "secp256k1_verify",
+            Function::new_native_with_env(store, env.clone(), native_secp256k1_verify),
+        );
+
         // Allows the contract to emit debug logs that the host can either process or ignore.
         // This is never written to chain.
         // Takes a pointer argument of a memory region that must contain an UTF-8 encoded string.
diff --git a/packages/vm/src/lib.rs b/packages/vm/src/lib.rs
index 8316352475..cc3508bb00 100644
--- a/packages/vm/src/lib.rs
+++ b/packages/vm/src/lib.rs
@@ -6,11 +6,13 @@ mod calls;
 mod checksum;
 mod compatibility;
 mod conversion;
+mod crypto;
 mod environment;
 mod errors;
 mod features;
 #[cfg(feature = "stargate")]
 mod ibc_calls;
+mod identity_digest;
 mod imports;
 mod instance;
 mod limited;
@@ -30,6 +32,7 @@ pub use crate::calls::{
     call_query, call_query_raw,
 };
 pub use crate::checksum::Checksum;
+
 pub use crate::errors::{
     CommunicationError, CommunicationResult, RegionValidationError, RegionValidationResult,
     VmError, VmResult,
diff --git a/packages/vm/testdata/secp256k1_tests.json b/packages/vm/testdata/secp256k1_tests.json
new file mode 100644
index 0000000000..223c6938e1
--- /dev/null
+++ b/packages/vm/testdata/secp256k1_tests.json
@@ -0,0 +1,122 @@
+[
+  {
+    "message": "5c868fedb8026979ebd26f1ba07c27eedf4ff6d10443505a96ecaf21ba8c4f0937b3cd23ffdc3dd429d4cd1905fb8dbcceeff1350020e18b58d2ba70887baa3a9b783ad30d3fbf210331cdd7df8d77defa398cdacdfc2e359c7ba4cae46bb74401deb417f8b912a1aa966aeeba9c39c7dd22479ae2b30719dca2f2206c5eb4b7",
+    "message_hash": "5ae8317d34d1e595e3fa7247db80c0af4320cce1116de187f8f7e2e099c0d8d0",
+    "signature": "207082eb2c3dfa0b454e0906051270ba4074ac93760ba9e7110cd9471475111151eb0dbbc9920e72146fb564f99d039802bf6ef2561446eb126ef364d21ee9c4",
+    "pubkey": "04051c1ee2190ecfb174bfe4f90763f2b4ff7517b70a2aec1876ebcfd644c4633fb03f3cfbd94b1f376e34592d9d41ccaf640bb751b00a1fadeb0c01157769eb73"
+  },
+  {
+    "message": "17cd4a74d724d55355b6fb2b0759ca095298e3fd1856b87ca1cb2df5409058022736d21be071d820b16dfc441be97fbcea5df787edc886e759475469e2128b22f26b82ca993be6695ab190e673285d561d3b6d42fcc1edd6d12db12dcda0823e9d6079e7bc5ff54cd452dad308d52a15ce9c7edd6ef3dad6a27becd8e001e80f",
+    "message_hash": "586052916fb6f746e1d417766cceffbe1baf95579bab67ad49addaaa6e798862",
+    "signature": "626d61b7be1488b563e8a85bfb623b2331903964b5c0476c9f9ad29144f076fe2002a2c0ab5e48626bf761cf677dfeede9c7309d2436d4b8c2b89f21ee2ebc6a",
+    "pubkey": "04ff28290d214a783da7d76098b632c387b3dd5fd33677df8ca7109e3c941e5df2e5a6530c0bb58fbba14ecbc3d76a2a3d5017c66fc260f9214a028b8b3a7b2dce"
+  },
+  {
+    "message": "db0d31717b04802adbbae1997487da8773440923c09b869e12a57c36dda34af11b8897f266cd81c02a762c6b74ea6aaf45aaa3c52867eb8f270f5092a36b498f88b65b2ebda24afe675da6f25379d1e194d093e7a2f66e450568dbdffebff97c4597a00c96a5be9ba26deefcca8761c1354429622c8db269d6a0ec0cc7a8585c",
+    "message_hash": "c36d0ecf4bfd178835c97aae7585f6a87de7dfa23cc927944f99a8d60feff68b",
+    "signature": "83de9be443bcf480892b8c8ca1d5ee65c79a315642c3f7b5305aff3065fda2789747932122b93cec42cad8ee4630a8f6cbe127578b8c495b4ab927275f657658",
+    "pubkey": "048f83776cbb355dbe59756c6b3d9b40a3470b6c64d49d9361a73bafcc1e7ba69beb05acb126fc4358b3c7008e1e864b4327086157412a84700d82672de27cb627"
+  },
+  {
+    "message": "47c9deddfd8c841a63a99be96e972e40fa035ae10d929babfc86c437b9d5d495577a45b7f8a35ce3f880e7d8ae8cd8eb685cf41f0506e68046ccf5559232c674abb9c3683829dcc8002683c4f4ca3a29a7bfde20d96dd0f1a0ead847dea18f297f220f94932536ca4deacedc2c6701c3ee50e28e358dcc54cdbf69daf0eb87f6",
+    "message_hash": "a761293b02c5d8327f909d61a38173556c1f1f770c488810a9b360cf7786c148",
+    "signature": "723da69da81c8f6b081a9a728b9bba785d2067e0ed769675f8a7563d22ed8a163a993793cf39b96b3cd625df0e06f206e17579cd8ebcb7e704174c3d94dba684",
+    "pubkey": "0429b0c44bd3887a9ab60fd1c9bb81c9ab421e51b4736cedfa75e4cf960e6098315eab750d173d20842dfdebf861ea7898fdea0527211f8c86f31d9d48b6b65e63"
+  },
+  {
+    "message": "f15433188c2bbc93b2150bb2f34d36ba8ae49f8f7e4e81aed651c8fb2022b2a7e851c4dbbbc21c14e27380316bfdebb0a049246349537dba687581c1344e40f75afd2735bb21ea074861de6801d28b22e8beb76fdd25598812b2061ca3fba229daf59a4ab416704543b02e16b8136c22acc7e197748ae19b5cbbc160fdc3a8cd",
+    "message_hash": "08ec76ab0f1bc9dc27b3b3bd4f949c60ecc8bbf27678b28f2ee8de055ee8bf59",
+    "signature": "0e0c5228e6783bee4d0406f4f7b7d79f705f0dbb55126966f79e631bd8b23079faae33aec5b0fafd3413c14bfdef9c7c9ac6abd06c923c48ab136a2c56826118",
+    "pubkey": "04441ef6e211e3fa6cffce9d34b4765487bc0d98d95b21ccfaeef42d7de2fef9a57886a20b6b10f97f5d05caa904ca3e287b92955658566639031e67cd243d8657"
+  },
+  {
+    "message": "1bc796124b87793b7f7fdd53b896f8f0d0f2d2be36d1944e3c2a0ac5c6b2839f59a4b4fad200f8035ec98630c51ef0d40863a5ddd69b703d73f06b4afae8ad1a88e19b1b26e8c10b7bff953c05eccc82fd771b220910165f3a906b7c931683e431998d1fd06c32dd11b4f872bf980d547942f22124c7e50c9523321aee23a36d",
+    "message_hash": "ffbe3fd342a1a991848d02258cf5e3df301974b7a8f0fe10a88222a9503f67e0",
+    "signature": "b9d3962edadc893f8eeff379f136c7b8fc6ea824a5afc6cbda7e3cb4c7a1e860bb1c1f901cf450edfdce20686352bb0cf0a643301123140ec87c92480d7f9d6a",
+    "pubkey": "04ad98fbf6748401963e4c732b0ba4c4b5016f1d87935c5edf84b55c38b28eb3cf35f91b470e007cc5f5c2e12c9b8725bc92a6feb259968436881c72906a14ca84"
+  },
+  {
+    "message": "18e55ac264031da435b613fc9dc6c4aafc49aae8ddf6f220d523415896ff915fae5c5b2e6aed61d88e5721823f089c46173afc5d9b47fd917834c85284f62dda6ed2d7a6ff10eb553b9312b05dad7decf7f73b69479c02f14ea0a2aa9e05ec07396cd37c28795c90e590631137102315635d702278e352aa41d0826adadff5e1",
+    "message_hash": "434fea583df79f781e41f18735a24409cf404f28e930290cc97c67ef158e5789",
+    "signature": "9369ab86afae5e22ed5f4012964804d2a19c36b8b58cf2855205b1cfcc937422a27dfc38d899b78edcf38a1b2b53578e72270b083d7d69424c4b4a7d25d39f4d",
+    "pubkey": "04061d7152dc6263a6764c6e810ee02f6333c844d90d70043b2bb6d4efacfac78e4391f7f17063bd69bd0d19061cc09eeb429561f3d88a3b38019ac82ca152c35c"
+  },
+  {
+    "message": "a5290666c97294d090f8da898e555cbd33990579e5e95498444bfb318b4aa1643e0d4348425e21c7c6f99f9955f3048f56c22b68c4a516af5c90ed5268acc9c5a20fec0200c2a282a90e20d3c46d4ecdda18ba18b803b19263de2b79238da921707a0864799cdee9f02913b40681c02c6923070688844b58fe415b7d71ea6845",
+    "message_hash": "c352f58e118fc0d7810b8020bdb306b7dc115b41bbb0b642c7ea73a60cc2a4eb",
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\ No newline at end of file