The UK tax authority (HMRC) has for the first time revealed the scale of crypto investors' wealth in the country: for the 2024–2025 tax period, 240 individuals officially declared profits from digital asset transactions exceeding £1 million (about $1.35 million). This is a landmark figure that sheds light on the true depth of the United Kingdom's crypto economy.

Where crypto income is flowing

The combined profits of these 240 crypto millionaires amounted to £717 million ($974 million) — more than half of all declared crypto income in the country for the stated period. However, this is just the tip of the iceberg.

In total, 17,600 Britons reported taxable profits from the sale of crypto assets. Their transaction volume reached £13.8 billion ($18.8 billion), with taxable profits of £1.38 billion ($1.88 billion), averaging about £78,000 per person. The gender distribution is also telling: men filed approximately 87% of declarations, while women accounted for only about 13%. This points to a persistent imbalance in participation in the crypto market.

What the UK crypto market is really worth

Chainalysis analysts estimate the volume of taxable cryptocurrency transactions in the UK for 2025 at $19.4 billion. This is the fourth-largest figure globally, after the US, Germany, and China. This amount includes $6 billion in profits, $3.3 billion in income, and $10.1 billion in payments. It is important to understand: this is only a lower-bound estimate, as the methodology covers just six blockchains and does not account for transactions on centralized exchanges or a number of other networks.

The tax vise is tightening

HMRC is preparing the ground for total oversight. From January 2026, the CARF (Cryptoasset Reporting Framework) reporting standard comes into effect. Crypto asset service providers will be required to transmit client data to tax authorities, with HMRC set to receive this information starting in 2027. Violators face a fine of £300 per client.

However, one should not be fooled: the system is not all-powerful. According to Chainalysis, only 14% of all taxable on-chain transactions worldwide fall under CARF's scope. The remaining 86% — operations on decentralized exchanges, direct P2P transfers, on-chain income, and payments — remain outside regulators' view.

My take: The publication of this data is a powerful signal for the market. British authorities are not just recording the growing wealth of crypto investors but are also preparing mechanisms to tax it. The fact that 240 individuals control more than half of declared profits confirms that crypto wealth in Britain is highly concentrated. Investors should prepare in advance for increased tax pressure — transparency will become an inevitable reality in the coming years.