Ethereum is king of altcoin for high quality contact development. ETHEREUM is tops the list of altcoins for this facilities. also Ethereum provide high security contract address which is hack proof. that's why around all potential investors and crypto holders loves Ethereum and ERC-20 platform.
Yes, and I've also loved Ethereum for a very long time, because in the past the Ethereum platform has proven to be very good and so far no other coin has been able to beat it in terms of volume and ranking for cryptocurrencies.