The UK Treasury aims to implement its full cryptoasset regulatory regime by October 2027. This move will require exchanges, custodians, and other crypto intermediaries serving UK clients to obtain FCA authorization under FSMA-style rules. Reactions are mixed, with some criticizing the timeline as slow compared to the EU's MiCA regime. UK ministers frame the changes as necessary for transparency and governance, bringing crypto "inside the perimeter." The FCA consultation details specific crypto activities to be supervised, including stablecoin issuance, safeguarding cryptoassets, and operating trading platforms. The regulations also cover dealing, arranging deals, and staking services. The rules' impact on DeFi remains unclear, particularly regarding UK-accessible web interfaces routing users to smart contracts.

The UK Treasury aims to implement its full cryptoasset regulatory regime by October 2027. This move will require exchanges, custodians, and other crypto intermediaries serving UK clients to obtain FCA authorization under FSMA-style rules. Reactions are mixed, with some criticizing the timeline as slow compared to the EU's MiCA regime. UK ministers frame the changes as necessary for transparency and governance, bringing crypto "inside the perimeter." The FCA consultation details specific crypto activities to be supervised, including stablecoin issuance, safeguarding cryptoassets, and operating trading platforms. The regulations also cover dealing, arranging deals, and staking services. The rules' impact on DeFi remains unclear, particularly regarding UK-accessible web interfaces routing users to smart contracts.