Standard Chartered offers RLUSD custody in Dubai, plans LMAX collateral mirroring

This announcement signals market structure rather than being a price driver. Institutional custody of stablecoins does not generate direct demand for RLUSD or XRP, and market participants should not interpret it that way. The key issue is competitive dynamics. If regulated banks begin providing off-exchange margin, smaller stablecoins backed by banks might attract institutional business currently held by larger tokens. Exchanges may also feel compelled to adopt comparable structures after the mirroring model is validated, potentially altering collateral flows in crypto trading.

---

Earlier article:

• How Standard Chartered's RLUSD custody and mirroring affect trading

---

Standard Chartered now allows clients to hold Ripple's stablecoin and trade against it without the tokens leaving the bank's custody, though the trading component remains conditional on regulatory approval.

At a glance:

• Standard Chartered provides institutional custody for RLUSD on the XRP Ledger via its DIFC branch, which is regulated by the DFSA.
• An intended integration with LMAX Group would allow RLUSD to serve as eligible collateral on select LMAX products using a process called "collateral mirroring."
• With mirroring, the tokens remain at the bank while LMAX reflects their value toward client margin requirements.
• The LMAX component is not yet operational; it requires final documentation, testing, and regulatory clearance, with no timeline provided.
• RLUSD's market capitalization stands at roughly $2.45 billion, less than 1% of the approximately $306 billion stablecoin sector.
• Since 2024, the bank has offered crypto custody in Dubai, and in July it enabled institutions to directly mint and redeem USDC.

Standard Chartered has launched institutional custody of Ripple's dollar-pegged stablecoin RLUSD via its Dubai International Financial Centre branch, while it also works on an LMAX Group integration that would enable clients to use the tokens as trading collateral without transferring them from the bank. The UK-based bank announced on Monday that qualified clients can now store the XRP Ledger version of RLUSD on its digital custody platform, which operates from its DIFC branch under DFSA oversight.

The more significant aspect of the announcement is the planned LMAX integration, although it is not yet live. Standard Chartered is part of a proposed integration with LMAX, the London-based forex and crypto exchange, to make RLUSD eligible as margin on certain LMAX products. In what the bank terms collateral mirroring, the stablecoin would be held at Standard Chartered while LMAX gets a mirrored record of its value that applies to a client's positions. The bank stated that the arrangement still needs final documentation, testing, and regulatory approval, and no specific date has been given for when RLUSD can be posted as margin.

This structure addresses the counterparty risk of leaving collateral on a trading platform. In the event of an exchange failure under the mirrored model, the client's tokens would remain at Standard Chartered, which is among 29 banks designated as globally systemically important by the Financial Stability Board and thus subject to stricter capital rules. Waqar Chaudry, head of digital assets in the bank's securities services business, said institutions seek access to digital asset markets without compromising the security of their assets.

RLUSD, launched by Ripple in December 2024 on Ethereum and the XRP Ledger, is backed by US dollars, US Treasury bonds, and cash equivalents. It gained approval from Dubai's regulator in June 2025 and now has a market value of around $2.45 billion, still less than 1% of the total stablecoin market of roughly $306 billion.

This initiative is part of Standard Chartered's larger expansion into digital assets. The bank has offered crypto custody in Dubai since 2024, and in July it announced it was the first globally systemically important bank to allow institutions to mint and redeem Circle's USDC directly. The timing and conditions of LMAX's approval will decide if the mirroring model becomes a functional margin product.