Online casinos accepting cryptocurrency payments in the UK will face comprehensive reporting obligations starting January 2026, as HMRC implements the OECD’s Crypto-Asset Reporting Framework (CARF). The new regulations require all UK-based crypto service providers, including gambling operators, to collect and report detailed transaction data on every customer using digital assets.
The framework mandates that crypto casinos operating in the UK or serving UK customers must submit customer identity details, transaction amounts, dates, and cryptocurrency types to HMRC. The first reports covering the 2026 calendar year will be due by 31 May 2027, marking a significant shift in regulatory oversight of crypto gambling transactions.
UK-based Reporting Crypto-Asset Service Providers (RCASPs) must collect comprehensive user data including names, addresses, dates of birth, tax residence information, and National Insurance numbers for UK residents. For entity users, business names, addresses, and company registration numbers will be required. Transaction-level data must include the specific crypto-asset type, transaction dates, and values.
The UK government projects CARF will generate over £315 million in additional tax revenue by 2030. However, compliance costs are substantial, with HMRC estimating approximately £800,000 in annual expenses per provider. Implementation costs for HMRC itself are forecast at £69 million, primarily for IT infrastructure development.
Enhanced Compliance Requirements
The new framework necessitates enhanced Know Your Customer (KYC) and Anti-Money Laundering (AML) procedures for crypto gambling transactions. Online casinos must implement systems capable of tracking and reporting every crypto transaction, reducing the anonymity traditionally associated with cryptocurrency gambling.
The UK Gambling Commission has emphasized the importance of thorough source-of-funds checks for crypto gambling activities to mitigate money laundering and financial crime risks. Operators must balance the added compliance complexity while ensuring consumer protections regarding cryptocurrency volatility, insolvency risks, and deposit limits.
Non-compliance carries penalties of up to £300 per user, applicable to both service providers and users who fail to provide accurate information. HMRC is expected to actively enforce the regulations through monitoring programs and targeted communications to suspected non-reporters.
Regulatory Convergence
CARF implementation aligns with broader UK gambling reforms, including updated deposit limit rules and gambling harm reduction strategies under the UK Gambling Commission’s oversight. The framework brings cryptocurrency transactions under the same regulatory scrutiny applied to traditional financial services, creating a more stringent operational environment for online casinos.
The regulations will reduce the anonymity advantages that have made crypto casinos attractive to privacy-focused users. However, the framework aims to protect consumers and align crypto gambling with wider tax and AML regulations governing the UK’s gaming sector.
Over 50 countries have committed to implementing CARF by 2027, with the United States, Singapore, UAE, Hong Kong, and Turkey joining the data-sharing initiative by 2028. The UK is part of the first wave of nations establishing standardized crypto reporting requirements.
UK-based crypto service providers must register online with HMRC by 31 January 2027 and inform users of their reporting obligations. Operators face immediate pressure to upgrade systems ahead of the 1 January 2026 implementation date.
The framework targets crypto-assets used for payment or investment, excluding central bank digital currencies and certain NFTs. It applies to centralized exchanges, brokers, dealers, and any platforms facilitating crypto transactions for users, including gambling operators.
CARF represents a major step toward integrating crypto gambling into the UK’s regulated financial and gaming sectors. Online casinos accepting cryptocurrency must prepare for increased scrutiny, enhanced reporting duties, and significant technical upgrades to meet the new compliance standards.
Source: UK Government (HMRC)









