A place for talking about the Ethereum Virtual Machine on Farcaster.

Can you use the getProof rpc to prove things about L1 on L2? Need trusted L1 blockhash?

Should be able to with the L1 hash that lives in the L1Block contract on optimism, I think arbitrum has something similar

Security at Optimism. Formerly built Umbra and more at ScopeLift

hmm gp but can I just use any block hash? 🤔

You can prove any blockhash is an ancestor of the one L1Block returns.

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