SwC Poker — formerly Seals With Clubs — was the very first online poker room to run exclusively on Bitcoin, and it's kept that identity ever since: anonymous play, no ID required, and deposits/withdrawals purely in BTC. It runs its own direct cashier rather than a club/agent structure, so there's no middleman between you and your funds.
Rake varies between roughly 1% and 4% depending on the game, with a strict no-flop-no-drop policy — you're never raked on a hand that ends before the flop. Deposits typically confirm within about 10 minutes via QR code or wallet address, and withdrawals are usually processed in under 24 hours, often much faster, with no fee beyond the standard blockchain transaction cost.
The standout feature is the Krill loyalty system — a lifetime program where points unlock permanent rakeback tiers from 5% up to 50%, and once you reach a tier, it never resets. For anyone who wants pure, anonymous, crypto-only poker with no club/agent layer in between, this is about as straightforward as the format gets.