On September 5, DBS and Citi's New York office completed a dollar payment between Singapore and the US in minutes using tokenized deposits on SWIFT's digital ledger, according to DBS's announcement. The amount and customer eligibility remain undisclosed, but the test is the concrete proof point both banks need to sell 24/7 cross-border settlement to corporates. Banks are investing here because deposits fund their lending, and the FX, loan and cash-management fees attached to corporate balances are exactly the revenue stablecoin issuers are now trying to poach.
Why it matters
The economics of prefunding explain the urgency. A company that places $10 million in an account two days early to guarantee a payment effectively borrows it at the going rate; at 5% annually, that 48-hour cushion costs about $2,740 before accounting for any interest earned on the balance. Across many accounts and repeated cross-border payments, those trapped balances compound into serious idle capital, which is why corporates would rather pay a small premium for instant settlement than tie up working cash. Tokenized deposits are the bank-grade answer: the customer's rights still flow from the deposit and its terms, but the obligation is recorded as a token the participating payment system can move in real time.
Market impact
The September 5 trial lands four days after a September 1 announcement in which 21 financial institutions formed a separate stablecoin venture, with a dollar offering targeted for the first half of 2027 and the euro a longer-term priority. Citi is involved in both projects, a hedge that recognises companies pick payment rails by who they need to pay; some suppliers will keep bank accounts, others already accept stablecoins. The competitive bar is set by netting arrangements and incumbents such as the ECB's TIPS service, which already settles supported currencies around the clock. The prize is not a single weekend transaction but a recurring share of the corporate balance sheet.
Frequently asked questions
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What did DBS and Citi actually demonstrate on September 5?
The banks completed a Singapore-to-US dollar payment in minutes using tokenized deposits on SWIFT's digital ledger. The amount and which customers can use the service have not been disclosed.
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How do tokenized deposits differ from stablecoins?
Tokenized deposits remain bank obligations, with the customer's rights flowing from the deposit account and its terms. Stablecoins are issuer obligations backed by reserves held separately, and the holder's claim runs against the issuer under redemption terms.
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Why are banks racing to build tokenized deposits now?
Companies pay banks for FX conversion, lending and cash management. If a faster provider, including a stablecoin issuer, can win those balances, banks lose the fee stream that funds their core lending business.
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What does prefunding cost a typical corporate user?
Per the source example, prefunding $10M for two days at a 5% borrowing rate costs about $2,740 in idle interest. Across many accounts and repeated cross-border payments, the trapped balances compound quickly.
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When will the 21-bank stablecoin venture actually launch?
The September 1 announcement targets a dollar offering in the first half of 2027, with the euro a longer-term priority. Launch is subject to closing conditions, and income allocation among member banks has not been disclosed.
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