From 1 January 2026, UK “crypto-asset service providers” in other words crypto exchanges, will be required to collect all user and transaction data for 2026 and then report that data to HMRC by 31 May 2027.
This will be an ongoing requirement and is part of the Crypto-Asset Reporting Framework (CARF) being adopted by 47 countries such as the United Kingdom, South Africa, Brazil, Indonesia and many more.
The United States is set to join this requirement by 2029, so will likely collect all user data on exchanges from 2028 onwards, and then report it to their local tax authority (the IRS).
What Information Will Exchanges Report?
Exchanges will collect and report:
Name
Date of birth
Home address
For every transaction, exchanges will collect and report:
Value
Type of crypto asset
Number of units
What this means is that the tax authority in each of these countries adopting CARF will know exactly how much crypto you have on exchanges, the value, your age, your name and yo
We współpracy z: https://en.cryptonomist.ch/2025/12/02/uk-crypto-users-face-30-day-deadline-before-exchanges-report-all-customer-data-to-hmrc/
