web3wagmi
← All standards

ERC-8056 Scaled UI Amount Extension for ERC-20 Tokens

DraftERCcreated 2025-10-20requires ERC-20, ERC-165

Equity Token support for Stock Splits

Authors: Chris Ridmann (@cridmann), Daniel Gretzke (@gretzke), Gilbert Shih, Tino Martinez Molina (@tinom9), Markus Osterlund (@robriks)

ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

IScaledUIAmount0xa60bf13d
IScaledUIAmountConversion0x57854fc3
IScaledUIAmountBalances0xd890fd71
IScaledUIAmountNewUIMultiplier0x4bd27648

Functions this standard introduces (7)

0x437a9958balanceOfUI(address)view
0x97a4064feffectiveAt()view
0x65cd9b3cfromUIAmount(uint256)view
0xdc767007newUIMultiplier()view
0x9bea6429totalSupplyUI()view
0x3248d4fftoUIAmount(uint256)view
0xa60bf13duiMultiplier()view

Events (3)

Topic0 is the keccak256 hash of the signature, which is what a log filter matches on.

0x2205df4534432b2f60654a3fdb48737ffdaf3e9edb1a498bd985bc026b15b055UIMultiplierUpdated(uint256,uint256,uint256)
0x0226a2f5c1ae0e071aeec3d4ebafcefdc5c549be11f40ed27e76e802acccf374TransferWithUIAmount(address,address,uint256,uint256)
0x883856335ba5f60c18b9817c4505d3c7d3f6223dcf39516b30c508c46a5e1cadUIMultiplierUpdateCancelled(uint256,uint256)

Depends on (2)

Proposals this one names in its requires field.

What the specification covers

Compare with

Parsed from the canonical specification · discussion