Wall Street’s UBS uMINT yield-bearing collateral has reached Bybit – but there’s a catch

Calais Digital Assets has successfully integrated UBS's uMINT tokenized money-market fund as live collateral for trading operations on the Bybit exchange. This deployment, which went live on June 18, utilizes a three-party infrastructure involving DigiFT for distribution and ByCustody for asset holding. By allowing the uMINT position to remain in custody while being recognized as exchange margin, Calais achieves capital efficiency by earning money-market yield on assets that would otherwise sit idle. This development marks a significant shift in the RWA market from simple token issuance to the integration of assets into active, institutional-grade trading workflows. While the current scale of uMINT remains modest with approximately $18.7 million in total asset value as of June 21, the workflow demonstrates a functional path for tokenized funds to serve as productive balance-sheet tools. The success of this model depends on the ability of market participants to standardize operational controls, including valuation, haircut policies, and liquidation procedures during periods of market stress. Ultimately, this implementation serves as a critical proof point for the utility of tokenized real-world assets within complex, multi-party financial stacks.