frxUSDEIP / ERC
Standards implementation
Contract focus: frxUSD (Frax Finance) + sfrxUSD vault
Upgradeable: Yes · Upgradeable proxy — verify pattern on official Frax docs post-December 2025 migration
Implemented
3
Partial
0
Not implemented
5
Unknown
2
Core
Signatures & typed data
Upgradeability & proxies
Vaults & yield
Cross-chain
Flash Loans
Cross-coin comparison: ERC / EIP standards reference