Tokenized Deposits: How Citi and Swift’s Hub-of-Hubs Model Could Solve Interbank Reach

The signal behind Citi and SWIFT's tokenized deposit transaction

Citi just announced it had processed live transactions with FAB and OCBC, becoming the first US bank to conduct live native-ledger transactions on Swift’s platform. Similar activity with DBS and UOB is expected later this month.

Citi’s live US-dollar transactions with First Abu Dhabi Bank (FAB) and OCBC on Swift’s blockchain-based ledger are more than another tokenized-deposit pilot. They provide the clearest illustration yet of how bank-issued digital money could escape the closed-loop limitation of proprietary bank networks.

Debopama Sen, Head of Payments, Services at Citi: "This pilot represents a crucial step in exploring how we can leverage the power of shared ledger technology to create a more efficient, interoperable, and always-on global financial system that supports both payments and collateral movement."

The problem: tokenized deposits do not naturally travel

A tokenized deposit works most easily when payer and beneficiary are customers of the same bank. Once money needs to cross into another bank, the advantage of a proprietary ledger becomes its central limitation: each institution maintains a distinct deposit liability, technology stack, compliance perimeter and settlement relationship.

Without a common coordination mechanism, banks either build repeated bilateral connections or try to persuade counterparties to join their own networks. Neither approach is likely to produce global institutional reach efficiently.

The broad solution: a hub of hubs

The emerging answer is not one universal bank token. It is a layered model in which Swift coordinates activity across bank-owned ledgers while major transaction banks bring the deposits, liquidity and client distribution.

Swift can make separate systems interoperable; institutions such as Citi can make that interoperability commercially useful. Together, they point toward a two-tier hub-and-spoke architecture - effectively a hub of hubs.

But the structure raises more consequential questions:

1. What does Swift’s ledger actually coordinate across banks?

2. Where does final settlement still take place?

3. Why could G-SIBs become the dominant distribution hubs?

4. Can this model match the open-network reach of stablecoins?

How the operating model works

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