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ERC-4527 QR Code transmission protocol for wallets

StagnantERCcreated 2021-12-07

QR Code data transmission protocol between wallets and offline signers.

Authors: Aaron Chen (@aaronisme), Sora Lee (@soralit), ligi (@ligi), Dan Miller (@danjm), AndreasGassmann (@andreasgassmann), xardass (@xardass), Lixin Liu (@BitcoinLixin)

What the specification covers

AbstractMotivationSpecificationProcessData Transmission ProtocolSetting up the watch-only wallet with the offline signerCDDL for Key PathCDDL for Extended Public KeysSending the unsigned data from the watch-only wallet to the offline signerCDDL for Eth Sign Request.The signature provided by offline signers to watch-only walletsCDDL for Eth Signature.RationaleUR provides a solid foundation for QR Code data transmissionUR provides existing helpful types and scalability for new usagesUR has an active air-gapped wallet community.Backwards CompatibilityTest 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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