Bitcoin

The UK has been tightening crypto regulations (e.g., financial promotion rules, travel rule) and considering capital gains tax reforms. A voluntary call for higher taxes from millionaires may embolden policymakers to pursue more aggressive wealth taxes, including on crypto gains. This fits a global trend of increased scrutiny on crypto wealth, especially in jurisdictions with progressive tax regimes.

UK millionaires, including Gary Lineker and Brian Eno, wrote to the new Prime Minister stating they can afford to be taxed more.