Ethereum Foundation funds $100K grant for Vyper compiler verification

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The Ethereum Foundation has committed $100,000 to fund development of a formally verified compiler for Vyper, the Python-flavored smart contract language that currently underpins more than $2B in total value locked across DeFi protocols like Curve and Yearn. The grant falls under the ETHSecurity Initiatives Round Two, a broader allocation of $600,000 dedicated specifically to Vyper-related security improvements. It targets one of the most quietly dangerous problems in smart contract development: the gap between what code says at the source level and what the compiler actually produces as EVM bytecode. Why compiler verification matters Formal verification of a compiler mathematically proves that the translation process preserves the original program’s meaning. Every input produces exactly the output the source code specifies, with no room for subtle mismatches. The Ethereum Foundation’s grant aims to move toward a publicly accessible “verified compilation” mode built directly into the official Vyper compiler. This would let developers and auditors confirm that the bytecode running on-chain is a faithful representation of the source code they reviewed. The team and the approach The i...

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