Bitcoin Soars Past $70K as UK Greenlights Crypto Trading and Cautions Risks Remain

• Bitcoin price hits new record high of over $70,000 • UK regulator says it will allow trading of cryptocurrency-backed securities • Regulator warns crypto remains high-risk and largely unregulated • Bitcoin has been helped by US approval of crypto ETFs this year • Upcoming "halving" event expected to reduce bitcoin supply and support price