Key Takeaways
- • BlackRock's $2.5 billion BUIDL tokenized U.S. Treasury fund, issued by Securitize, is now accepted as off-exchange collateral for institutional trading on Binance, enabling traders to post the token with custody partners rather than directly on the exchange while maintaining compliance.
- • BUIDL has expanded to BNB Chain, increasing interoperability within the blockchain ecosystem's decentralized finance applications and broadening the fund's utility across multiple digital market infrastructures.
- • The collateral listing addresses institutional demand for yield-generating stable assets that can be actively deployed in trading operations, combining real-world asset exposure with blockchain-native capital efficiency.
- • The expansion reflects the growing integration of tokenized real-world assets (RWAs)—including U.S. Treasuries, bonds, and credit instruments—into crypto market infrastructure as reserve assets and collateral mechanisms.
Summary
BlackRock's BUIDL tokenized fund has achieved a significant expansion in utility and accessibility with two major developments announced on November 14, 2025. The $2.5 billion fund, tokenized by Securitize, will now be accepted as collateral for institutional trading on Binance, the world's largest cryptocurrency exchange by volume. This arrangement allows institutional traders to post BUIDL tokens with designated custody partners rather than holding them directly on the exchange, while still leveraging them as collateral for active trading positions. The structure preserves compliance frameworks while providing enhanced capital efficiency.
Catherine Chen, head of VIP & Institutional at Binance, emphasized the institutional demand driving the arrangement: "Our institutional clients have asked for more interest-bearing stable assets they can hold as collateral while actively trading on our exchange." This accommodation reflects a broader institutional preference for yield-generating collateral that can remain productive throughout the trading cycle.
Concurrently, Securitize is expanding BUIDL's availability to BNB Chain, enabling the tokenized fund to integrate with decentralized finance protocols and applications within that ecosystem. This multi-chain deployment increases the fund's interoperability across leading digital market infrastructure, aligning with the broader narrative of bringing traditional financial instruments onchain.
The developments occur within the context of rapidly maturing tokenized real-world assets markets. Tokenized U.S. Treasuries have become critical infrastructure components in decentralized finance, serving as reserve assets for protocols and collateral mechanisms in trading and asset management operations. Robbie Mitchnick, BlackRock's global head of digital assets, framed the expansion as foundational: "By enabling BUIDL to operate as collateral across leading digital market infrastructure, we're helping bring foundational elements of traditional finance into the onchain finance arena." BUIDL, launched in March 2024 as BlackRock's first tokenized fund on a public blockchain, continues to establish precedent for institutional-grade digital asset infrastructure.
Catherine Chen, head of VIP & Institutional at Binance, emphasized the institutional demand driving the arrangement: "Our institutional clients have asked for more interest-bearing stable assets they can hold as collateral while actively trading on our exchange." This accommodation reflects a broader institutional preference for yield-generating collateral that can remain productive throughout the trading cycle.
Concurrently, Securitize is expanding BUIDL's availability to BNB Chain, enabling the tokenized fund to integrate with decentralized finance protocols and applications within that ecosystem. This multi-chain deployment increases the fund's interoperability across leading digital market infrastructure, aligning with the broader narrative of bringing traditional financial instruments onchain.
The developments occur within the context of rapidly maturing tokenized real-world assets markets. Tokenized U.S. Treasuries have become critical infrastructure components in decentralized finance, serving as reserve assets for protocols and collateral mechanisms in trading and asset management operations. Robbie Mitchnick, BlackRock's global head of digital assets, framed the expansion as foundational: "By enabling BUIDL to operate as collateral across leading digital market infrastructure, we're helping bring foundational elements of traditional finance into the onchain finance arena." BUIDL, launched in March 2024 as BlackRock's first tokenized fund on a public blockchain, continues to establish precedent for institutional-grade digital asset infrastructure.
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