Hi
What is the meaning of ERC20 ? Is it a trading platform or a coin.I saw that word in so many places in telegram groups.
ERC20 points to Ethereum, ERC20 is how they currently call their token system.
https://coinmarketcap.com/tokens/ all tokens here hosted on ethereum are ERC20 tokens
See
https://theethereum.wiki/w/index.php/ERC20_Token_Standard for more information about it.