am a beginner ..so can someone suggest me good exchange to buy ERC20?
Convenient and easy way is to use Bittrex.
More comlex but more profitable way is to use EtherDelta.
have the same opinion. bittrex is a very big exchange and it's good because it is very easy to use...
but etherdelta is more difficult to use but it works if you have some time to get in touch with it