Correspondent banking rests on accounts that institutions hold with one another. A tokenised version of that account is an appealing idea: a representation of an institutional balance that moves and settles with the flexibility of a digital asset while remaining a claim inside the banking system. Whether it is possible depends less on the token than on the conditions around it.

The account is a relationship, not a record

A correspondent account is the visible part of a longer relationship: an institution holds an account with another so that its clients' flows can be settled and its reach extended. Today that model means each institution opening accounts in many places. SUPA's long-term direction reverses it — a hub holds correspondent accounts for institutions, rather than every institution opening accounts everywhere. A token is interesting here only because it might make that structure easier to operate.

What has to be true first

Before a tokenised institutional balance could be trusted, several conditions need to hold:

  • The token must be a claim on a regulated balance, with an accountable issuer.
  • Transfers must be tied to identity, mandate and policy, not just to possession of a key.
  • A ledger must record each movement in double entry, attributed to principal, agent and policy version.
  • Compliance must be validated once, per operation, before any rail is used.
  • Licence boundaries must be respected across jurisdictions.

The phase question

This is a later architectural step, not a present product. SUPA's phases run from the zone (2026–2027), where units operate on licensed partners' rails, through the principal phase, to the hub phase (2029–2032), when SUPA holds its own banking licence and institutions open correspondent accounts at SUPA and sign the multilateral reliance agreement. Until then, and before a banking licence, SUPA does not take deposits or hold client money in its own name: balances sit with licensed partners.

In short

  • A correspondent account is a relationship expressed as a balance.
  • Tokenising it adds flexibility only if the claim stays regulated.
  • Transfers must carry identity, mandate and policy.
  • A double-entry ledger is the basis for trust in the record.
  • Today this remains a design direction, not a live product.

For institutional design, see /institutions/