There are already new Ethereum-compatible blockchains like Avalanche but they're missing out on the network effects that exist on the original Ethereum chain.
The only use of crypto is to get rich by being an early adopter. It's easy to design a new system that doesn't benefit early adopters but no one will care about it.
Basically either stablecoins or some kind of volatility dampening which would increase emission in sync with adoption. Nobody wants this so there's not much work being done on it.
The only use of crypto is to get rich by being an early adopter. It's easy to design a new system that doesn't benefit early adopters but no one will care about it.