We haven't independently verified the UK's current tax treatment of gambling winnings or UKGC's specific policy on cryptocurrency deposits, so we're not presenting either as more settled than it is here — check UKGC guidance or an operator's own terms directly if either matters to you. What is settled: every UKGC-licensed operator is required to participate in GAMSTOP, the UK's national self-exclusion scheme, which blocks a self-excluded player from every licensed operator at once rather than just the one site they excluded from.
UK players typically fund accounts with debit cards, PayPal, Trustly, and other bank-linked methods — see the payment methods listed below for what's actually supported. If gambling stops being fun or starts affecting your finances or relationships, GAMSTOP and the National Gambling Helpline are both available independent of any single operator.