diff --git a/.gitignore b/.gitignore
index b6487de..cab0a05 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,9 +2,9 @@
 
 # dependencies
 /node_modules
-/ethereum/node_modules
-/ethereum/.env
-/ethereum/build
+/contract/node_modules
+/contract/.env
+/contract/build
 /.pnp
 .pnp.js
 
@@ -23,4 +23,4 @@
 
 npm-debug.log*
 yarn-debug.log*
-yarn-error.log*
+yarn-error.log*
\ No newline at end of file
diff --git a/ethereum/test/.gitkeep b/contracts/.env
similarity index 100%
rename from ethereum/test/.gitkeep
rename to contracts/.env
diff --git a/contracts/.env.sample b/contracts/.env.sample
new file mode 100644
index 0000000..e69de29
diff --git a/ethereum/contracts/Migrations.sol b/contracts/contracts/Migrations.sol
similarity index 100%
rename from ethereum/contracts/Migrations.sol
rename to contracts/contracts/Migrations.sol
diff --git a/ethereum/contracts/identity.sol b/contracts/contracts/identity.sol
similarity index 100%
rename from ethereum/contracts/identity.sol
rename to contracts/contracts/identity.sol
diff --git a/ethereum/details.txt b/contracts/details.txt
similarity index 100%
rename from ethereum/details.txt
rename to contracts/details.txt
diff --git a/ethereum/migrations/1_initial_migration.js b/contracts/migrations/1_initial_migration.js
similarity index 100%
rename from ethereum/migrations/1_initial_migration.js
rename to contracts/migrations/1_initial_migration.js
diff --git a/ethereum/migrations/2_deploy_contracts.js b/contracts/migrations/2_deploy_contracts.js
similarity index 100%
rename from ethereum/migrations/2_deploy_contracts.js
rename to contracts/migrations/2_deploy_contracts.js
diff --git a/ethereum/package-lock.json b/contracts/package-lock.json
similarity index 100%
rename from ethereum/package-lock.json
rename to contracts/package-lock.json
diff --git a/contracts/test/.gitkeep b/contracts/test/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/ethereum/test/identity.test.js b/contracts/test/identity.test.js
similarity index 100%
rename from ethereum/test/identity.test.js
rename to contracts/test/identity.test.js
diff --git a/ethereum/truffle-config.js b/contracts/truffle-config.js
similarity index 78%
rename from ethereum/truffle-config.js
rename to contracts/truffle-config.js
index 36a0d3b..09be735 100644
--- a/ethereum/truffle-config.js
+++ b/contracts/truffle-config.js
@@ -1,21 +1,20 @@
 require('dotenv').config()
-const HDWalletProvider = require("@truffle/hdwallet-provider");
+const HDWalletProvider = require('@truffle/hdwallet-provider')
 
 //truffle migrate --network ropsten --reset --compile-all
 module.exports = {
-
   networks: {
     development: {
-     host: "127.0.0.1",     // Localhost (default: none)
-     port: 8545,            // Standard Ethereum port (default: none)
-     network_id: "*",    // Any network (default: none)
+      host: '127.0.0.1', // Localhost (default: none)
+      port: 8545, // Standard Ethereum port (default: none)
+      network_id: '*', // Any network (default: none)
     },
-    ropsten: {
-      provider: function() {
-        return new HDWalletProvider(process.env.MNEMONIC, process.env.NETWORK);
+    sepolia: {
+      provider: function () {
+        return new HDWalletProvider(process.env.MNEMONIC, process.env.NETWORK)
       },
-      network_id: 3
-    }
+      network_id: 11155111,
+    },
     // Another network with more advanced options...
     // advanced: {
     // port: 8777,             // Custom port
@@ -51,12 +50,13 @@ module.exports = {
   // Configure your compilers
   compilers: {
     solc: {
-      settings: {          // See the solidity docs for advice about optimization and evmVersion
-       optimizer: {
-         enabled: true,
-         runs: 200
-       }
-      }
+      settings: {
+        // See the solidity docs for advice about optimization and evmVersion
+        optimizer: {
+          enabled: true,
+          runs: 200,
+        },
+      },
     },
   },
-};
+}