# OKX, BlackRock and Standard Chartered announce a joint framework to integrate BlackRock’s BUIDL tokenized short-term Treasuries into collateral workflows.

*fintech · news · 2026-04-28 · Crypto Breaking News*

## Key points

- This is the first time a globally systemically important bank acts as custodian for tokenized collateral.
- BUIDL can be held in regulated off-exchange custody at Standard Chartered and used as collateral on OKX.
- The integrated framework eliminates the need to move assets between venues for trading and collateral use.
- The arrangement enables BUIDL to generate yield while serving as exchange trading collateral within one ecosystem.
- Institutional testing confirmed tokenized assets can scale across trading, margining, and liquidity workflows.

**Companies:** BlackRock, Standard Chartered, OKX
**Countries:** United States, United Arab Emirates, Singapore, United Kingdom

[Read the full story on Crypto Breaking News](https://www.cryptobreaking.com/okx-blackrock-and-standard-chartered/)

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