The Bank of England moved decisively in June 2026 to define the architecture of the United Kingdom's digital payments future, publishing a landmark policy statement alongside draft Code of Practice rules governing systemic stablecoin issuers. The release is far more than a regulatory housekeeping exercise: it sets the commercial and legal terms under which sterling-denominated stablecoins will be permitted to operate at scale, with a fully regulated regime targeted for launch in 2027. The central bank's willingness to absorb extensive industry criticism and meaningfully revise its earlier proposals signals a shift from regulatory containment toward enabling a genuinely functional market — albeit one bounded by firm macroprudential guardrails.
From Wallet Caps to a System-Level Ceiling
The most commercially significant departure from the BoE's original consultation is the abandonment of rigid per-user holding limits. The earlier proposal had envisaged capping individual accounts at £20,000 and corporate accounts at £10 million — thresholds that payment service providers (PSPs), fintech intermediaries, and wholesale infrastructure operators roundly condemned as operationally unworkable. Enforcing such granular limits would have required continuous real-time monitoring across millions of wallets, strangling transaction velocity and making large-value cross-border and institutional use cases economically unviable.
In response, the BoE has replaced that approach with a macro-level issuance guardrail: a £40 billion cap applied at the product level rather than the individual account level. This is a structurally simpler mechanism that dramatically reduces compliance overhead for platforms integrating tokenised sterling cash. Critically, the BoE has been explicit that the £40 billion ceiling is temporary. The central bank intends to review the cap regularly and remove it entirely once it is satisfied that risks to credit provision and broader financial stability are sufficiently well understood and managed. For issuers building long-term infrastructure, that commitment to a pathway toward uncapped operation is as important as the immediate headroom the guardrail provides.
A More Viable Reserve Structure
The BoE has also revised the mandatory composition of reserve assets in ways that meaningfully improve issuer economics. Under the previous consultation, systemic stablecoin issuers were expected to back their tokens with a 60% allocation to short-term UK government gilts and a 40% allocation to central bank deposits. The June 2026 policy shifts that ratio: issuers may now hold up to 70% of reserves in short-term gilts, with the remaining 30% required to sit in non-interest-bearing central bank deposits to support immediate redemption flows.
The practical effect is a measurable improvement in yield capture on the float. Short-term gilts generate interest income; central bank deposits at the BoE, by design, do not. Moving ten percentage points of the reserve requirement from unremunerated deposits into interest-bearing government debt gives issuers a more commercially sustainable unit economics proposition. The BoE has gone further for firms that achieve systemic designation at the point of launch, extending a 95% step-up allowance that permits these early-stage issuers to temporarily hold up to 95% of reserves in gilts as they build out their operational infrastructure — preserving capital efficiency during the critical scaling phase.
Non-Negotiable Safety Standards
The commercial concessions come packaged with hardened consumer protection requirements that the BoE has made explicitly non-negotiable. Systemic stablecoin issuers must honour on-demand par redemption: any coinholder can demand full face value in sterling within 24 hours, and that obligation holds unconditionally, including during periods of acute market stress. There is no carve-out for crisis conditions, and no fees or procedural barriers may obstruct the redemption process.
Issuers are also required to maintain two distinct statutory trusts. The first ring-fences assets exclusively for the benefit of coinholders, providing a legally robust claim to their funds in all circumstances. The second trust covers the administrative and legal costs of returning value to users in the event of issuer insolvency, ensuring that wind-down procedures do not consume funds belonging to token holders. To further reduce the risk of destabilising fire sales during market dislocations, the BoE is introducing an emergency liquidity facility: fundamentally solvent issuers will be able to pledge their gilt holdings directly to the central bank in exchange for emergency funding, removing the pressure to liquidate assets at depressed prices under stress conditions.
The Yield Prohibition and Its Commercial Consequences
One constraint that the BoE has maintained without modification is the prohibition on issuers paying interest to coinholders. Systemic stablecoins are conceived strictly as a means of payment, not as yield-generating instruments. Activity-based rewards remain permissible, but direct yield pass-through is forbidden. Combined with the mandatory 30% allocation to non-interest-bearing central bank deposits, this creates a structural cost drag that issuers must absorb or offset through transaction revenue and ancillary services. For global operators weighing sterling stablecoin infrastructure against US dollar-denominated alternatives, that drag represents a real comparative disadvantage — particularly while dollar stablecoin regulation in the United States remains fragmented across overlapping Securities and Exchange Commission and Commodity Futures Trading Commission jurisdictions without equivalent clarity.
A Dual-Regulator Architecture
The UK's regulatory design assigns clear jurisdictional lanes. The Financial Conduct Authority (FCA) retains oversight of non-systemic retail stablecoins, while the BoE assumes responsibility for systemic infrastructure. This unified, dual-regulator model offers a degree of legal and operational clarity that currently eludes the United States market, and it may prove a meaningful competitive differentiator in attracting institutional issuers seeking regulatory predictability. The ultimate test, however, will not be architectural elegance but commercial adoption rates — whether the £40 billion cap and reserve structure leave sufficient margin for issuers to build sustainable businesses, or whether operators simply opt to remain in the FCA-only, non-systemic lane where obligations are lighter.
What This Means for the Market
The BoE's consultation on the draft Code of Practice runs until September 22, 2026. The central bank expects to finalise the rules before the end of 2026, clearing the path for the first fully regulated systemic sterling stablecoins to enter the market in 2027. For institutional payments desks, cross-border payment rail operators, and FX-native PSPs, that timeline is now concrete enough to warrant serious infrastructure investment decisions. The framework the BoE has constructed is more commercially attuned than its predecessors — but the window between viable and merely survivable remains narrow, and the industry's response to the consultation period will determine how much further the central bank is willing to move before the rules are locked in.
Written by the editorial team — independent journalism powered by Codego Press.