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EIP-8052 Precompile for Falcon support

DraftCorecreated 2025-10-17requires EIP-7932

Proposal to add a precompiled contract that performs signature verifications using the Falcon signature scheme.

Authors: Renaud Dubois (@rdubois-crypto), Simon Masson (@simonmasson), Antonio Sanso (@asanso), Marius van der Wijden (@mariusvanderwijden), Kevaundray Wedderburn (@kevaundray), Zhenfei Zhang (@zhenfeizhang), Nicolas Consigny (@nconsigny)

Depends on (1)

Proposals this one names in its requires field.

EIP-7932Secondary Signature Algorithms

What the specification covers

AbstractMotivationSpecificationHash-to-Point challenge (normative)Encoding of the challenge polynomial c (896 bytes, normative)Core algorithmRequired Checks in Falcon VerificationPrecompiled Contract SpecificationFALCON_HASH_TO_POINT_SHAKE256FALCON_HASH_TO_POINT_KECCAKPRNGFALCON_COREError CasesPrecompiled Contract Gas UsageRationaleGas cost explanationsBackwards CompatibilityAddressesTest CasesReference ImplementationSecurity ConsiderationsCopyright

This proposal declares no Solidity interface, so there is nothing to compute. It may be a core protocol change, a meta proposal, or written in prose only.

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