We all know that no matter how good one product is, it will hardly succeed without strong support.
Would you share info for altcoins (except Ethereum of course) which are being patronized by serious players (people or companies)?
Ripple! Big banks like Ripple's technology.
Market Cap is now over $8 billion:
https://coinmarketcap.com/currencies/ripple/https://ripple.com's slogan: 'The worlds only enterprise blockchain solution for global payments'
I do not hold any Ripple. I am not a large enterprise and Ripple has nothing to offer for me as a small user.