According to Foresight News, software developer Risc Zero has announced the integration of its Ethereum open-source ZK block prover, Zeth, with the Optimism infrastructure. This integration allows for the provable construction and export of Optimism blocks from the Ethereum mainnet. It also enables on-chain verification of succinct proofs and brings ZK fraud and validity proof development into the OP Stack. The integration has utilized revm, alloy, and ethers crates. This development is a significant step forward in the blockchain technology space, enhancing the functionality and security of the Ethereum network.