Key Takeaways The U.K. is on course to finalize new regulations for stablecoins in 2026. New rules won’t affect access to USDT or USDC on crypto exchanges. However, they will affect Circle and Tether’s ability to expand more mainstream use cases in the country. As the government and financial authorities advance new rules for the sector, in 2026, stablecoins are poised to fall under the umbrella of U.K. regulation for the first time.