The USK is a KUMA interest-bearing token backed by KUMA NFTs, themselves backed by US 12 months T-Bills. The USK is currently deployed on Ethereum, Polygon PoS, Linea and Mantle with a SellBondFee (via the ‘sellBond’ fees function) set at 0.01%. Contract addresses can be found here.
Approved KUMA NFTs Risk Category:
Term: 12 (months)
Wrapped USK (wUSK)
The majority of DeFi protocols do not support rebase tokens. To overcome this problem and enable optimal USK composability, a wUSK token following the erc-4626 standard has been deployed (contract addresses here). More informations on the differences between USK and wUSK are available here.