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WTF $1 Flip: call heads or tails and flip the coin. Call it right and you win bet × 1.98 instantly. Bets from $0.10 on a 1% house edge, with optional jackpots. Verify every flip yourself.
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Each coin side is HMAC-SHA256(server seed, client seed:nonce) mapped to heads or tails. Reveal the server seed in the fairness panel to reproduce it.