The worth of cryptocurrencies reminiscent of Bitcoin and Ethereum has fallen up to now yr, however HMRC suspects there are nonetheless massive quantities of unpaid capital beneficial properties from the rise in cryptocurrency values between December 2022 and October 2025.
Throughout this time, the value of Bitcoin shot up from round £14,000 to £90,000.
Accountants are urging buyers to test whether or not they owe cash, as upcoming powers will make it simpler for HMRC to focus on people.
From March 2027, cryptocurrency platforms situated in dozens of nations outdoors the UK might be obliged to share details about their clients with tax authorities.
HMRC stated the brand new powers would pressure “crypto bros to pay their fair proportion of tax” when the foundations had been introduced final yr.
The tax workplace estimated the adjustments would assist elevate as much as £315m by April 2030, including that this was the identical quantity wanted to fund greater than 10,000 newly certified nurses for a yr.
“As soon as HMRC has this information, tax investigations into cryptocurrency buyers might be like capturing fish in a barrel,” warned Ms Chauhan.
Within the final yr, the value of Bitcoin has fallen to round £48,000.
