Stablecoin Settlement Goes Mainstream: What Every Bank Needs to Know

Stablecoins have spent most of their existence being treated as a crypto-native curiosity — useful for moving money between exchanges, but not something mainstream financial infrastructure needed to care about. That characterisation no longer holds.

PayPal's PYUSD approached $4 billion in circulation by March 2026. Visa extended its USDC settlement programme to the Solana network for US banks in December 2025. Wholesale settlement projects such as the BIS-incubated mBridge have been running real-value cross-border pilots since 2022 — though the BIS itself stepped back from the project in 2024.

Why this time is different

Previous stablecoin waves broke on regulatory uncertainty. What is different now is that major jurisdictions have published clear frameworks: MiCA in Europe, the GENIUS Act for payment stablecoins in the US, and equivalent legislation in Singapore and the UAE. Issuers are now subject to reserve, disclosure and audit obligations that look much more like e-money regulation than the unregulated frontier of 2021 — and that legibility is exactly what bank risk committees were waiting for.

The efficiency case is hard to argue with. Correspondent banking involves chains of intermediaries and fees that can run to 5-7% for smaller transactions. A stablecoin transfer settles in seconds for fractions of a cent, with finality the sender can verify on a public ledger rather than infer from a SWIFT confirmation.

Where the volume is actually coming from

Strip out exchange-to-exchange flows and the genuine payments use cases cluster in three places. Cross-border B2B payments into markets with thin correspondent coverage — Latin America, parts of Africa and South-East Asia — where settlement in hours rather than days changes working-capital maths. Treasury repositioning between a company's own entities, where stablecoins function as an always-open settlement rail when the banking day has closed. And merchant settlement, where the card networks themselves — Visa's USDC programme being the visible example — use stablecoins to move money to acquirers on weekends.

Where banks fit — and where they don't

The instinctive bank response, issuing a proprietary coin, has mostly given way to a more sober menu. Tokenised deposits — ledger liabilities of the bank represented on-chain, as in JPMorgan's Kinexys (formerly Onyx) — keep the deposit on balance sheet and suit institutional clients who want programmability without leaving the regulated perimeter. Custody and reserve management for third-party issuers turns the stablecoin wave into a fee business: somebody has to hold the T-bills backing every major coin. And settlement integration — accepting regulated stablecoins as a funding leg — is becoming a competitive checkbox in transaction banking, not a differentiator.

The risks that have not gone away

Regulation reduced but did not eliminate the failure modes. Depegs still happen under stress, and the 2023 episode in which USDC traded below 90 cents over a weekend — because a slice of its reserves sat in a failing bank (Silicon Valley Bank) — remains the canonical lesson: stablecoin risk and bank risk are entangled, not separate. Reserve attestations are now standard but vary in depth, and AML expectations have hardened: supervisors expect chain-analytics screening of counterparty wallets as a matter of course, which is operationally new territory for most compliance teams.

How CBDCs change the picture — and how they don't

Central bank digital currencies are often framed as the state's answer to stablecoins, but the two are converging on different jobs. Wholesale CBDC experiments like mBridge target interbank settlement — replacing correspondent chains between central banks — while regulated stablecoins are winning the commercial layer: merchant settlement, corporate treasury, platform payouts. Retail CBDCs, meanwhile, have stalled almost everywhere on privacy politics and unclear consumer benefit. The practical reading for banks is that CBDC timelines are measured in years and stablecoin volumes are measurable now; waiting for the official rail to arrive is a strategy for being late twice.

What a sensible strategy looks like

The banks moving fastest are treating stablecoins as a settlement technology decision, not an ideological one: pick the regulated coins and chains that matter, build custody and screening capability once, and expose it through existing treasury products. For finance teams on the corporate side, the practical playbook — which coins, which custodians, what the accounting looks like — is covered in our guide to stablecoins for treasury teams.

The window for incumbents to form a view is closing because the default is being set without them: every month of volume that settles on these rails makes the integration decision less strategic and more remedial.