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:

  • Currency: USD

  • Issuer: US

  • 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.

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