TLDR
The Bank of England has watered down some of its toughest systemic stablecoin plans, making a UK GBP stablecoin regime more workable but still tightly controlled.
- The BoE dropped proposed per-user holding caps and replaced them with a temporary 40 billion issuance limit per systemic sterling stablecoin.
- Reserve rules were eased so issuers can park up to 70% of reserves in short term UK government debt, improving economics while keeping a 30% central bank deposit buffer.
- The framework targets a 2027 go live and could boost GBP stablecoin use, but questions remain about the cap, wholesale settlement use, and UK competitiveness versus US and EU rules.
Deep Dive
1. What Exactly Changed
In its final policy and draft rules, the Bank of England removed earlier plans to cap individual holdings at 20,000 and business holdings at 10 million per sterling-backed stablecoin, after heavy industry pushback. Instead, systemic stablecoins will face a temporary 40 billion aggregate issuance cap per token, shifting the focus from wallet level limits to system wide risk control, as described in the new code of practice and summarized by multiple outlets such as Cointelegraph and CCN.
This cap is explicitly framed as a guardrail that will be reviewed and potentially removed once concerns about rapid deposit flight from banks into stablecoins are better understood.
Users and institutions can, in principle, hold unlimited amounts of a GBP stablecoin, but no single token can grow beyond a regulated size without further policy changes.
2. How Reserve Rules Were Softened
Earlier drafts required 40% of reserves to sit as non interest bearing deposits at the BoE and 60% in short dated gilts, which issuers warned would crush margins. The final framework cuts that cash share to 30% and allows 70% in short term UK government bonds, improving yield potential while keeping reserves in very low risk assets.
Stablecoins must still be fully backed and redeemable at par within 24 hours, with no suspension of redemptions or minimum redemption size, which is meant to protect users during stress.
Issuers get a more commercially viable business model, which makes launching serious GBP stablecoins more attractive, but they still operate under a conservative, bank-like reserve regime.
3. Why It Matters For Crypto And What To Watch
The rules only apply to systemic GBP stablecoins used widely in payments, with HM Treasury designating which qualify and the BoE supervising them, while the FCA continues to oversee non systemic crypto trading stablecoins. The BoE aims to finalize rules by end 2026 and allow systemic GBP stablecoins to operate within the UK payments system from 2027, potentially enabling deeper GBP liquidity pools, on chain settlement, and tokenized finance use cases in London.
However, industry voices note that the 30% non yielding reserve slice and the 40 billion cap may keep UK GBP stablecoins smaller and less profitable than dollar rivals, and it is still unclear whether these tokens will be allowed for wholesale market settlement.
If a large, regulated GBP stablecoin emerges under this framework, it could meaningfully increase GBP based DeFi and payment activity, but uptake will depend on how fast UK authorities relax the temporary cap and permit institutional use cases.
Conclusion
The Bank of England has clearly shifted from an overly restrictive stablecoin blueprint to a more pragmatic regime that invites serious GBP issuers while retaining strong safeguards. For crypto users and builders, the opportunity is a future where regulated GBP stablecoins can plug into both traditional UK finance and on chain markets, with the real upside depending on how the 40 billion cap and wholesale use questions are resolved over the next two years.
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