Regulation · Instrument · United Kingdom · Regulator rule or rulebook · Financial Conduct Authority

FCA Handbook CASS 17: Cryptoasset custody

New CASS chapter on how cryptoasset custodians safeguard client cryptoassets. Proposed in CP25/14 and finalised in PS26/11; it does not yet cover tokenised securities.

Final, not yet in force · effective 25 Oct 2027 · part of FCA Client Assets Sourcebook (CASS)

Key points

Timeline

  1. 28 May 2025 · Consultation
    Proposed in CP25/14.[2]
  2. 30 Jun 2026 · Final
    Finalised in PS26/11.[1]
  3. 25 Oct 2027 · In force · upcoming
    Applies from full commencement of the cryptoasset regime.[1]

Deployments operating under it

None recorded with a source yet.

Sources

  1. [1]Cryptoasset regime: final rules and guidance (policy statements PS26/9 to PS26/13) — Financial Conduct Authority, 30 Jun 2026. Accessed 12 Oct 2026.A
  2. [2]CP25/14: Stablecoin issuance and cryptoasset custody — Financial Conduct Authority, 28 May 2025. Accessed 12 Oct 2026.A