Resources
Canonical spec + community discussions + evidence links referenced across the site.
Links
- ERC-681: URL Format for Transaction Requests (canonical spec)Primary source: the EIP text that defines syntax and semantics.
- Ethereum Magicians discussion threadLong-running community thread about adoption, ambiguities, and wallet behavior.
- MetaMask mobile issue: wrong value on ERC-20 token transactionsConcrete example of UX risk when wallets partially implement ERC-681 parsing.
- D’CENT developer guide (EIP-681 transaction/payment request)Example of a wallet documenting robust EIP-681 support.
- ERC681-Terminal: ERC-20 payment terminal apps + SDKs (Android / iOS)In-person payment terminal that presents canonical ERC-681 QR codes and settles through a constrained device-local operator wallet.
Local research inputs
This repo’s content was initially based on two research notes:
- ERC-681 Adoption in Mobile Crypto Wallets.pdf
- ERC-681 Adoption and Wallet Support.md
We don’t treat either as authoritative; the goal is to keep the support matrix evidence-driven.