There is 1 token project in the industry that I think is the closest to the end state of an “Everything Exchange” beyond Robinhood and Coinbase today.
It’s Jupiter.
Hyperliquid and Lighter will likely stay lower in the stack, but are the obvious other ones in the arena.
Disclosure: I’m currently long solana:JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN