Difference between address(token).transfer and token.transfer

heeween · May 31, 2024 · c04cf09 · c04cf09
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+---
+layout: post
+title:  "Difference between address(this).transfer and token.transfer"
+date:   2024-05-31 09:11:29 +0800
+categories: jekyll update
+---
+
+We know that every token implements IERC20 has the transfer function. And every account in ethereum also has the transfer function.
+As a ERC20 contract, we can call the transfer function in the smart contract like this `token.transfer`. As a ERC20 account we call the transfer function like this `address.transfer`. 
+But be aware that these two code is very different. `token.transfer` is to transfer the ERC20 token to the receivor