TLDR
The Bank of England proposed a consultation regime for sterling?denominated systemic stablecoins covering reserves, temporary holding caps, and joint BoE/FCA oversight.
- Reserves: at least 40% as unremunerated BoE deposits and up to 60% in short?term UK government debt, with a temporary 95% debt allowance during scale?up per the consultation paper. report
- Temporary holding limits: 20,000 per individual and 10 million per business, with exemptions and review after the transition period. overview
- Scope and oversight: applies only to systemic payment stablecoins, with BoE for financial stability and FCA for conduct; final rules targeted for the second half of 2026. summary
Deep Dive
1. Reserve Design
The proposal sets a two?part reserve structure to support reliable redemption and liquidity in stress. Issuers would hold at least 40% of liabilities as non?interest BoE deposits and up to 60% in short?term UK government debt. A temporary allowance lets systemic issuers hold up to 95% in gilts during early scale?up before reverting to 60%. The BoE also signals possible central bank liquidity backstops to support redemption if private markets are impaired. consultation coverage, analysis
The structure favors high?quality, near?cash assets, reducing run risk but limiting issuers yield and design flexibility.
2. Holding Caps and Transition
To manage banking system outflow risk during the transition, the BoE proposes per?coin limits of 20,000 for individuals and 10 million for businesses, with exemptions for specific operational needs and wholesale activity. These caps are intended to be temporary and could be lifted once risks to credit supply subside. The consultation runs until 10 Feb 2026, with final rules aimed for the second half of 2026. details, timeline
Near term, large users may face limits unless exempted; if caps lift, usage could expand once systemic risks are judged manageable.
3. Scope, Supervision, and Alignment
The regime applies to sterling?denominated stablecoins deemed systemic for UK payments. HM Treasury designates systemic status, the BoE oversees financial stability, and the FCA covers conduct and consumer protection. Non?systemic coins used mainly for trading remain under the FCA. The BoE notes alignment with broader payments modernization and international approaches, and it has softened earlier drafts to allow more flexibility while keeping money?grade controls. scope and roles, context
If you issue or integrate GBP stablecoins for payments at scale, expect BoE?style prudential rules; trading?centric stablecoins remain under the FCA unless designated systemic.
Conclusion
The BoEs draft prioritizes financial stability with high?quality reserves, temporary holding caps, and clear supervisory lines. That approach could enable GBP payment tokens to grow within guardrails, while non?systemic, trading?focused stablecoins continue under the FCA until and unless scale triggers systemic designation.
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