FCA publishes final crypto rulebook, mandatory regime begins October 2027
In brief
- FCA publishes final crypto rules requiring platforms, custodians, stablecoins, and staking providers to seek authorization.
- Mandatory regime begins October 25, 2027; firms can apply September 30, 2026 to February 28, 2027.
- Trading platforms must vet tokens and publish disclosures to FCA repository before listing most assets.
- Retail customers gain Financial Ombudsman Service access for the first time under new rules.
- Bank of England supervises large stablecoins under joint regime; £40 billion issuance limit replaces individual holding caps.
Regulatory framework and authorization timeline
[The FCA's final rules] flow from February legislation that brought crypto into the regulator's remit. Until the mandatory regime takes effect, the FCA's powers remain limited to [policing financial promotions and anti-money-laundering controls]. The regulator set out its path to regulation through a consultation in April before finalizing these rules.
Pre-application meetings with the FCA open in July, giving firms a chance to prepare ahead of the formal application window. The 17-month application period (September 2026 to February 2027) provides a clear runway for compliance.
Consumer protections and financial resilience
Firms must meet [financial-resilience requirements, including capital and stress testing]. This ensures crypto businesses can weather market volatility and protect customer assets. Retail customers will gain access to the Financial Ombudsman Service for the first time, a significant consumer protection expansion.
[Trading platforms will act as gatekeepers], required to vet tokens and publish disclosure documents to an FCA-run central repository before most assets can be listed. This gatekeeper role aims to reduce fraud and market abuse in UK crypto markets.
Stablecoin standards and Bank of England coordination
[Stablecoins receive their own standards designed to build trust] in how they are used over time. The FCA reduced a key stablecoin capital coefficient to 1% from 2% after consultation, easing capital requirements for issuers.
[The Bank of England will supervise large, systemic stablecoins] under a joint regime with the FCA. The central bank also [scrapped individual stablecoin holding caps in favor of a £40 billion issuance limit], creating more flexibility for the stablecoin market while maintaining systemic safeguards.
Scope and industry response
[The rules apply to decentralized finance where there is an identifiable controlling entity], extending oversight beyond traditional crypto platforms. CryptoUK's Su Carpenter said the finalized guidance lets the UK move forward with more certainty as a competitive jurisdiction. UK Finance praised the rules as a balanced approach that encourages innovation and protects consumers.
