Banks pair deposits with stablecoins for on-chain payments

Large banks, fintech firms and consortia are testing a model that pairs customer deposits with stablecoins, issuing blockchain tokens that are redeemable 1:1 for traditional bank balances. Under the model, a customer deposit remains a bank liability on the institution’s ledger while a matching stablecoin token is issued for use on public or permissioned blockchains.

Issuance relies on token standards and smart contracts that record token ownership and link issuance and redemption to on-bank accounting systems. Some proposals use permissioned ledgers governed by bank groups; others plan to use public blockchains with custodian wallets and compliance middleware to enforce transfer rules.

Payments that now route through legacy clearing systems could settle on-chain in seconds, enabling 24/7 settlement and reducing operational steps for domestic and cross-border transfers. Banks plan to apply existing know-your-customer and anti-money-laundering controls to on-chain activity.

Regulators and central banks are monitoring experiments and asking for clear rules on reserve backing, auditability and safeguards against runs if tokenized deposits become highly liquid. Supervisors have indicated tokens linked to deposits would be treated as bank liabilities, though details vary by jurisdiction. Central bank digital currencies are under study in several countries and may interact with deposit-backed tokens.

Industry participants say banks can introduce new fee and service lines by embedding programmable features into tokens, such as automated escrow, conditional payments and micropayments. Banks are exploring token use cases in trade finance, payroll and supply-chain finance, and expect faster settlement to lower costs for merchants and corporate clients.

Critics cite operational concentration risk if a small number of banks control issuance, and legal uncertainty over cross-border enforcement of token redemptions. Cybersecurity of wallets and custodial services remains a priority. Market observers call for robust disclosure and audit regimes to show token supplies are fully matched by deposits or eligible reserves.

“Linking tokens to deposits lets banks use distributed ledgers while keeping customer protections under existing rules,” a senior executive at a European bank involved in trials commented. The executive added that aligning operational processes and regulatory expectations is needed so redemptions are reliable and transfers comply with rules.

Stablecoins are digital tokens intended to hold a fixed value relative to a fiat currency, usually backed by reserves. Bank deposits are liabilities on a bank’s balance sheet and are subject to reserve, capital and consumer rules and, in many countries, deposit insurance. Combining the two aims to deliver fiat-equivalent tokens with bank legal and prudential features while using blockchain interoperability and programmability.