HMRC tightens the net: UK crypto investors face crackdown on unreported gains

HMRC is significantly tightening its enforcement on UK crypto investors regarding unreported capital gains and income. The agency has clarified that any disposal of crypto—including trading, swapping, spending, or gifting—constitutes a taxable event, contrary to the common belief that only cashing out to pounds is taxed. Furthermore, income from staking, yield, airdrops, mining, or validation is treated as taxable income, not capital gains. Enforcement is being bolstered by the UK's adoption of the OECD’s Crypto-Asset Reporting Framework (CARF), which mandates major exchanges like Coinbase and Binance UK to share Know-Your-Customer (KYC) and transactional data directly with HMRC, allowing the agency to match wallet addresses to taxpayer records. Compounding this issue, the Capital Gains Tax (CGT) allowance has drastically shrunk to £3,000 for the 2024/25 tax year (down from £12,300), meaning small transaction gains can now trigger filing requirements. Penalties for non-compliance are severe, ranging from 10% to 200% of the tax owed, and can even lead to criminal charges for evasion. HMRC has already initiated "nudge" campaigns, signaling that the grace period for ignorance regarding crypto tax obligations is over.

(Source：CryptoSlate)