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ERC-7965 Proof-based Broadcast in ERC-7786 Gateways

DraftERCcreated 2025-06-06requires ERC-7786, ERC-7930

Cross-chain messaging using cryptographic proofs to verify messages between blockchains.

Author: Ernesto García (@ernestognw)

Depends on (2)

Proposals this one names in its requires field.

ERC-7786Cross-Chain Messaging GatewayERC-7930Interoperable Addresses

What the specification covers

AbstractMotivationSpecificationBroadcasting SemanticsCryptographic Proof Attributesroute((bytes,bytes,uint256)[])inclusionProof(bytes)targetBlock(uint256)Relationship to Existing Proof ProtocolsCachingMutability of Message CommitmentsVerification ProcessRationaleBroadcasting and Cryptographic ProofsAttribute DesignCachingMutability of Message CommitmentsBackwards CompatibilityReference ImplementationBasic Gateway UsageSecurity ConsiderationsValidation RequirementsRoute SecurityBroadcast Message SecurityCopyright

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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