
The BOE tests stablecoins and a digital pound in the same trade payment flow. Polygon Labs provides the settlement infrastructure. The joint assessment is due later this year.
The Bank of England is moving its digital pound exploration into a second phase that tests whether stablecoins and a potential central bank digital currency can settle trade payments together. The experiment will simulate a single cross-border flow where an exporter receives stablecoin-based financing while a UK importer pays in digital pounds.
No real customers or funds are involved. The work remains experimental. The choice to test both types of money in the same transaction signals a shift toward interoperability rather than treating each system as a silo.
The Digital Pound Lab is running the project with NOBO Finance, Dun & Bradstreet and Polygon Labs across two connected workstreams. One will build a reusable credit profile for small- and medium-sized exporters by layering wallet transaction data, open-finance feeds and business intelligence. Polygon is providing smart contracts to record verified outcomes and manage consent. The second workstream tests invoice factoring underpinned by electronic bills of lading. Polygon's Open Money Stack handles stablecoin settlement, fiat-to-stablecoin conversion, wallets and smart contracts.
Phase 1 had already explored conditional escrow payments between businesses. Phase 2 extends the scope to ask whether different forms of digital money can share a single settlement process without locking companies into one provider or one currency type.
The exposure here is layered. For stablecoin issuers and their infrastructure partners, the BOE's willingness to test private money alongside a CBDC is a validation of the asset class for wholesale payments, provided the technology works. For smaller UK exporters, the promise is faster working capital release. The risk is that the experiment shows fragmentation between rails, delaying any real-world rollout.
Timeline matters. The findings will feed into a joint Bank of England and Treasury assessment of the digital pound, due later this year. Participation in the lab does not mean the UK has decided to issue a digital pound, the BOE said. The test is about infrastructure choices before a policy commitment.
Affected assets include the major stablecoins that could be used in such a system. USDC and USDT are the clearest candidates given their regulatory traction in Europe and the UK. The outcome also touches tokenized real-world assets on Polygon and other chains, because trade-finance settlement is a stated use case for those protocols.
What would reduce the risk of a fragmented outcome is a clear technical standard emerging from the lab that both public and private money can adopt. The BOE's decision to include stablecoins in the second phase increases the chance that any future digital pound framework will accommodate private alternatives rather than compete with them, analysts at Crypto Council for Innovation said.
What would worsen the risk is a failure to achieve seamless interoperability across stablecoin networks, bank ledgers and the CBDC layer. If the tests reveal latency, cost or compliance gaps between different forms of digital money, the UK could delay rule-making, leaving stablecoins in a regulatory grey zone while other jurisdictions move ahead.
The experiment is a data-gathering exercise. The joint assessment later this year will be the first real decision point on whether the UK sees digital currencies as a single ecosystem or a set of parallel tracks.
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