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 <br>
 
+* ERC stands for Ethereum request for comments. 
+* These are technical documents written by Ethereum developers for Ethereum community. 
+* Each such document contains a set of rules required to implement tokens for the Ethereum ecosystem.
+* You can say ERC is a specific type of EIP.
+
+
+<br>
+
+---
+
 ### [ERC20](https://github.com/bt3gl-labs/Blockchain-Hacking-Toolkit/blob/main/Solidity-Expert/Token-standards/erc20.md)
 
 * In the case of ERC20, a transaction sending ether to an address changes the state of an address. A transaction transferring a token to an address only changes the state of the token contract, not the state of the recipient address.