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An integration that took effect on April 28 introduces a “two-way” collateral management model. Institutional clients can now hold tokens from the BlackRock BUIDL fund within Standard Chartered’s custody infrastructure, while OKX mirrors this value on its platform and allows it to be used as trading margin.
Alternatively, investors can hold tokens directly on the exchange and use them actively while simultaneously earning yield from the underlying assets. This represents a significant shift from the traditional model, where funds held on exchanges often generate no return.
The new structure aims to solve the problem of “dead capital”—billions of dollars that sit unused as cash or collateral without providing any yield.
Growth of Tokenized Assets Accelerates
BlackRock’s BUIDL fund, which invests in short-term U.S. Treasury bills, exceeded $2 billion in assets under management as early as April. Following recent integrations, some estimates now place its size closer to $2.5 billion.
This positioning makes it a leading player in the rapidly expanding market for tokenized government bonds, which has reached a total value of approximately $30 billion—a substantial increase compared to the previous year.
Expanding the ecosystem also plays a key role. BUIDL is already integrated into Uniswap, allowing institutional investors to swap the token for stablecoins like USDC. Furthermore, the asset operates across multiple blockchain networks, including Ethereum and Solana, which increases its liquidity and utility.
The Middle East as a Testing Ground
Initial access to the new service is limited to clients in the Middle East through OKX’s regional division. This choice is deliberate; jurisdictions like Dubai offer clear regulatory frameworks for crypto services, making them suitable for testing new financial models.
According to OKX management, the project is designed as a model for future digital market infrastructure, where traditional financial institutions and crypto platforms work collaboratively.
Institutional Validation of New Infrastructure
The partnership between Standard Chartered and OKX is not new, but the inclusion of BlackRock—the world’s largest asset manager—adds significant weight to the model.
Analysts view this as a key step toward integration between traditional finance and crypto markets.
The ability for assets like government bonds to be used in real-time as trading collateral could change how institutions manage their liquidity.
Broadly, this move shows how tokenization is gradually moving from an experiment to a core financial infrastructure, with the potential to transform not just crypto markets, but the global system for payments and asset management.