Standards Registry
| Standard | Curriculum role | Revalidate before use |
|---|---|---|
| ERC-20 / ERC-721 / ERC-1155 | Fungible, non-fungible, and multi-token interface behavior | optional returns, callbacks, approvals, ecosystem deviations |
| EIP-712 | Typed structured-data signatures | domain fields, chain separation, wallet rendering |
| ERC-1271 | Contract signature validation | magic value, call context, revocability |
| ERC-2612 | Permit-style token approval | nonce and deadline semantics, domain separation |
| ERC-4626 | Tokenized vault shares and assets | preview rules, rounding direction, inflation defenses |
| ERC-4337 | Account abstraction via an alternate mempool and EntryPoint | deployed EntryPoint version, validation/paymaster rules |
| EIP-7702 | Delegated account code model | active fork support, wallet/client behavior, revocation assumptions |
| ERC-1967 / ERC-1822 / ERC-7201 | Proxy slots, UUPS compatibility, namespaced storage | library version, initializer and upgrade authorization |
| ERC-3643 | Permissioned token behavior | identity registry/control assumptions and legal context |
The source of truth is the current EIP/ERC specification plus the implementation actually pinned by the artifact. A standard number is not a security endorsement. Source URLs and the 2026-07-18 snapshot live in SOURCES.md.