Even if you've been in crypto world for a long time, there are still things that you cant understand fully and in order for us to understand them, we always find simple guides/articles that can help us understand it easier. Many people are still searching about ERC Tokens to have a much deeper understanding about it. ERC stands for Ethereum Request for Comment and the different numbers after it have different roles. Find out their roles on this basic guide that I will share to all of you!
https://blog.kucoin.com/etheruem-ecosystem-guide-to-erc-tokens-sk-st