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Bank of England picks Polygon-led group to test stablecoin and "digital pound" rails for SME trade finance
The Bank of England has selected a Polygon-led consortium—including NOBO Finance and Dun & Bradstreet—for Phase 2 of its Digital Pound Lab, broadening trials that combine stablecoin payments, a digital-pound settlement layer and reusable business identity to accelerate trade finance for small and medium-sized enterprises.
Inside the lab’s sandbox (with no real customers or money), the work splits into two linked tracks.
First, the group is building an "SME Bankable Profile" that uses consented transaction data from wallets, open-finance feeds and Dun & Bradstreet’s commercial intelligence to produce a reusable, pre-qualified credit outcome. Polygon is providing smart contracts for consent management, verification and financing-lifecycle logic, while NOBO coordinates the effort. The profile is designed to stay under the SME’s control and be portable across financing requests.
Second, the consortium is testing invoice factoring backed by an electronic bill of lading (eBL) using two forms of digital money in a single trade flow: the exporter receives an advance in stablecoins, while the UK importer completes final settlement in digital pounds. Polygon’s Open Money Stack will support the stablecoin leg, wallets and fiat on/off ramps.
The project targets a long-standing friction point in cross-border trade finance: multi-party verification and slow settlement can lock up working capital, hitting smaller firms hardest. The tests aim to shorten the cycle by making credit assessments portable and consent-driven, and by showing interoperability between private stablecoins and a CBDC-style settlement layer.
Sara de la Torre, head of financial services at Dun & Bradstreet, said smoother SME trade finance depends on trust, adding that the firm’s Commercial Graph can make smaller companies easier to verify. Polygon Labs CEO Marc Boiron said the trial explores whether "public and private, central bank money and stablecoins" can work together, framing the flow as exporters receiving stablecoins while importers settle with digital pounds. NOBO Finance founder and CEO Ayo Ojerinola described the lab as a safe environment to test innovations, highlighting the challenge of coordinating workflows, data and settlement across multiple parties.
Polygon is contributing its Open Money Stack, a modular integration layer combining fiat conversion, wallets, stablecoin settlement and smart contracts to help institutions move between fiat and stablecoins without building separate rails. Polygon says it previously integrated PayPal USD into the stack and that its network has processed more than $2.6 trillion in stablecoin transactions for clients including Revolut and Stripe. The firm also points to 2026 upgrades—including a reduction in average block time to 1.75 seconds, higher theoretical throughput and zero-knowledge private stablecoin transfers via Hinkal—as evidence of its push toward regulated payments infrastructure.
The Digital Pound Lab is the Bank of England’s experimental environment for exploring how a retail CBDC could function alongside existing and emerging payment systems. The central bank has not decided to issue a digital pound and is instead mapping design and infrastructure requirements. Deputy Governor Sarah Breeden has indicated the UK’s future retail payments ecosystem could include tokenized deposits, regulated stablecoins and a possible digital pound.
Regulatory work is advancing in parallel. The UK finalized new stablecoin rules in June, setting an initial £40 billion issuance limit per token and permitting up to 70% of reserves to be held in short-term government debt. Separately, the Bank of England and the FCA’s Digital Securities Sandbox now includes 16 firms—including HSBC and Euroclear—preparing tokenized asset launches from late 2026.
Phase 2 of the Digital Pound Lab sets up a practical public-private testbed for two core trade-finance upgrades: reusable, consent-based SME credit profiles and mixed-rail settlement that pairs private stablecoins with central-bank-style money. Success would provide a concrete interoperability model for future CBDC deployments and regulated stablecoin use cases, with direct benefits for small exporters and importers.