title: How to detect if an Ethereum address is an ERC20 token contract?
body: <p>If I only get an Ethereum address from the input, is there a way to find out whether it matches the <a href="https://www.google.com/search?q=erc20+standard&amp;pws=0&amp;gl=us&amp;gws_rd=cr" rel="nofollow noreferrer">ERC20</a> token standard?</p>