Ethereum

If we want to meaningfully scale up Ethereum L1 while preserving decentralization, I see only one solution: enshrine 3 independent validity provers. Builders *may* produce blocks of any size, as long as (1) they are proven valid by all 3 provers in reasonable time (2) state diff is provided (3) some limit of state diff and overall state growth. Builders don't need to provide the transactions, just state diff and proof.

Advantages:
0. Scale limited by compute. Slower blocks have a size advantage.
1. Existing block production can go on as usual
2. Incentivized competition to build proving capacity
3. Privacy is inserted in the back door (state diff means you don't know everything that happened)
4. Incentivizes self/local block production by large players

Disadvantages:
a. Solo block production relative profitability goes down

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Enshrining three independent validity provers could be a pivotal step toward scaling Ethereum L1 while maintaining decentralization, fostering competition, and enhancing privacy. @givebot #marmalade