Several countries, including the UK, implemented the Crypto Asset Reporting Framework on January 1st, which allows for cross-border sharing of crypto transaction data.

According to Foresight News , citing the Financial Times, the UK and over 40 other countries implemented new tax regulations for crypto assets starting January 1st. Under the Crypto Asset Reporting Framework (CARF) developed by the OECD, major crypto exchage to collect complete transaction records for UK users and report user transaction information and tax residency status to HM Revenue and Customs (HMRC). The UK is one of the first 48 countries to implement this framework. As arranged, from 2027, HMRC will automatically share relevant data with EU member states and participating countries such as Brazil, the Cayman Islands, and South Africa. A total of 75 countries have committed to implementing CARF, with the US planning to implement it in 2028 and begin information exchange in 2029.