The ERC20 standard has become popular in the recent past for teams to quickly build interoperable contracts/assets. Coinbase will add tokens after listing on GDAX and after evaluating them on metrics such as liquidity and stability.
Read more information: Coinbase to Add Support for ERC20 TokensWell, this kind of development towards erc20 tokens is great. I have many Erc20 tokens in myetherwallet and hope to store it in much safer site since my other myetherwallet were already hacked and that is why I want to have a diverse wallet to keep my tokens. Coinbase, if they will succeed in doing so will be very helpful to me but to the cryptocurrency market as well.