Key Takeaways
- • BlackRock has launched its $2.5 billion USD Institutional Digital Liquidity Fund (BUIDL) on OKX, enabling institutional clients to post tokenized Treasury-backed collateral while earning yield on idle trading capital held in regulated custody at Standard Chartered.
- • The arrangement eliminates a fundamental inefficiency in crypto trading: cash traditionally posted as margin on exchanges earns virtually no return, whereas BUIDL converts idle collateral into a productive asset earning Treasury and repo yields while maintaining $1 stable value.
- • Access is currently limited to institutional and VIP clients in OKX's Middle East, North Africa, and Commonwealth of Independent States region, with tokens held in Standard Chartered's regulated custody while appearing as available collateral on OKX's platform.
- • The partnership represents a significant convergence between traditional Wall Street infrastructure and digital-asset markets, with involvement from the world's largest asset manager, a global systemically important bank, and a major crypto exchange operating under the EU's Markets in Crypto-Assets regulatory framework.
- • This structure positions tokenized real-world assets as practical trading instruments and follows Standard Chartered's 2025 launch of a similar collateral mirroring program with Franklin Templeton, signaling growing institutional adoption of yield-bearing collateral models in crypto markets.
Summary
BlackRock has expanded its BUIDL tokenized money market fund to cryptocurrency exchange OKX, creating what the companies describe as the first yield-bearing collateral framework backed by a globally systemically important bank. The $2.5 billion fund, which invests in US Treasuries and repurchase agreements, is now available to eligible institutional and VIP clients on OKX's Middle East, North Africa, and Commonwealth of Independent States platform. Standard Chartered serves as the regulated custodian, holding the underlying assets off-exchange while the tokens appear as available collateral on OKX's trading infrastructure.
The core innovation addresses a persistent inefficiency in crypto trading: institutional capital posted as margin on exchanges has historically earned minimal or zero returns while sitting idle between trades. By tokenizing BlackRock's money market fund and integrating it into OKX's collateral framework, traders can now maintain yield-bearing positions in regulated assets while deploying capital as trading margin. Institutions retain ownership of the assets and their Treasury yields while gaining immediate access to liquidity for margin purposes—a structural improvement that makes collateral more productive without adding leverage risk.
According to Rifad Mahasneh, CEO of OKX Middle East, North Africa and CIS, BUIDL is treated as fungible with dollar-based assets such as stablecoins, allowing clients to seamlessly incorporate it into their margin calculations. The fund maintains a stable $1 value and is designed to minimize risk through its composition of short-duration Treasuries and repurchase agreements. Clients can either post BUIDL as collateral held with Standard Chartered or deposit it directly on OKX, providing flexibility in how institutions structure their trading operations.
This partnership builds on an existing relationship: Standard Chartered became an institutional custodian for OKX in the European Economic Area in 2025 after securing regulatory approval in Luxembourg under the EU's Markets in Crypto-Assets framework. The current arrangement reflects broader momentum in tokenizing real-world assets and integrating them into trading infrastructure. Standard Chartered and OKX previously launched a similar collateral mirroring program with Franklin Templeton in April 2025, indicating that yield-bearing collateral models are gaining traction among institutional market participants. The involvement of BlackRock, the world's largest asset manager, alongside a systemically important bank and major crypto exchange underscores the accelerating convergence between traditional finance infrastructure and digital-asset markets.
The core innovation addresses a persistent inefficiency in crypto trading: institutional capital posted as margin on exchanges has historically earned minimal or zero returns while sitting idle between trades. By tokenizing BlackRock's money market fund and integrating it into OKX's collateral framework, traders can now maintain yield-bearing positions in regulated assets while deploying capital as trading margin. Institutions retain ownership of the assets and their Treasury yields while gaining immediate access to liquidity for margin purposes—a structural improvement that makes collateral more productive without adding leverage risk.
According to Rifad Mahasneh, CEO of OKX Middle East, North Africa and CIS, BUIDL is treated as fungible with dollar-based assets such as stablecoins, allowing clients to seamlessly incorporate it into their margin calculations. The fund maintains a stable $1 value and is designed to minimize risk through its composition of short-duration Treasuries and repurchase agreements. Clients can either post BUIDL as collateral held with Standard Chartered or deposit it directly on OKX, providing flexibility in how institutions structure their trading operations.
This partnership builds on an existing relationship: Standard Chartered became an institutional custodian for OKX in the European Economic Area in 2025 after securing regulatory approval in Luxembourg under the EU's Markets in Crypto-Assets framework. The current arrangement reflects broader momentum in tokenizing real-world assets and integrating them into trading infrastructure. Standard Chartered and OKX previously launched a similar collateral mirroring program with Franklin Templeton in April 2025, indicating that yield-bearing collateral models are gaining traction among institutional market participants. The involvement of BlackRock, the world's largest asset manager, alongside a systemically important bank and major crypto exchange underscores the accelerating convergence between traditional finance infrastructure and digital-asset markets.
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