Bank of England Stablecoin Rules Set Stage for 2027 UK Launch

TLDR

• Bank of England sets Stablecoin Rules for a 2027 UK rollout

• Systemic stablecoins face a temporary £40B issuance cap

  

• Issuers can hold up to 70% of reserves in UK government debt

• BoE drops user holding limits after industry feedback

• FCA and BoE will coordinate the UK stablecoin supe

The Bank of England has outlined Stablecoin Rules that could support regulated sterling tokens from 2027. The draft framework sets reserve, redemption, and issuance standards for stablecoins considered important to financial stability. It also replaces planned user holding limits with a temporary cap on each systemic coin.

Bank Raises Interest-Bearing Reserve Allowance

The new Stablecoin Rules allow issuers to hold up to 70% of reserves in short-term UK government debt. The previous proposal limited interest-bearing assets to 60%, while requiring the remaining reserves in central bank deposits. This change gives issuers more flexibility while preserving access to liquid funds for customer redemptions.

Central bank deposits will still form at least 30% of each systemic issuer’s reserve pool. Therefore, issuers should maintain enough immediately available money to meet withdrawal requests and support confidence. The Bank expects this structure to balance commercial viability with strong protection for users.

The revised Stablecoin Rules follow industry feedback submitted after the Bank’s November 2025 consultation. Companies argued that stricter reserve conditions could weaken sterling stablecoins against products issued in other markets. However, the Bank retained direct reserve controls because systemic coins could affect payments and financial stability.

Issuance Cap Replaces User Holding Limits

The Bank removed proposed limits of £20,000 for individuals and £10 million for businesses. Instead, the Stablecoin Rules introduce a temporary £40 billion issuance guardrail for each systemic stablecoin. Households and companies can therefore use the tokens without separate account-level restrictions.

The Bank designed the cap to limit rapid deposit movements from commercial banks into stablecoin systems. Large outflows could reduce bank funding and weaken credit availability for households and businesses. Consequently, the guardrail will remain until authorities judge that credit risks have fallen.

The Stablecoin Rules require regular reviews of the £40 billion ceiling and its wider economic effects. The Bank plans to remove the limit after it addresses risks linked to bank funding and lending. Industry groups still want clearer timelines and a more risk-based approach for different business models.

UK Targets Final Rules Before 2027 Launch

The Bank will accept feedback on the draft Code of Practice until September 22, 2026. It plans to complete the final Stablecoin Rules before the end of 2026. Regulated systemic stablecoins could then begin operating under the new UK regime during 2027.

The Bank and Financial Conduct Authority will coordinate supervision across the wider stablecoin market. The Bank will oversee systemic payment stablecoins, while the FCA will regulate non-systemic and trading-focused products. HM Treasury will decide when a stablecoin becomes important enough for systemic supervision.

The Stablecoin Rules also create a managed path for firms moving from FCA oversight into the systemic regime. Further guidance will accompany the FCA’s final requirements and supporting materials later this year. The framework forms part of Britain’s wider effort to support digital payments and tokenized financial services.

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