Is ERC-3643 an ISO standard?
Not yet. It is a Final Ethereum standard. In November 2025 the Association announced an ISO standardisation initiative, led by the Spanish national committee for ISO TC 307, whose working group is drafting the committee draft. ISO hasn’t published it as a standard.
Key facts
- Current status: Final ERC (since December 2023).
- ISO work: announced November 2025, in progress.