Now the mainstream currency, BTC-ETH, has the upper hand, and they have the strength and technology, but the future is likely to be a new project to replace them more mature and more comprehensive. What do you think it would be?
Judging by the growing dominance of bitcoin (52%), the change of leader will not be in the near future. The society is not yet ready to accept old coins, it's not worth while to dream about new ones, although it can turn out at Telegram.