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An original 1OR2BET game. Read the rules and the paytable before you play.
“Return” is the theoretical long-run average return of each row, calculated exactly from the odds of the draw (it is not a promise for any session). “Any win” is the chance that a ticket pays something.
Every draw is made on the 1OR2BET server with a cryptographic random generator and can be checked afterwards: you see the SHA-256 hash of your server seed before you play, and changing the seed reveals it (Settings → Fairness). Results never depend on who you are, how much you stake or earlier rounds. Demo rounds use the same draw and paytable but are not stored.
The 20 numbers are HMAC-SHA256(server seed, “client seed:nonce:block”) read as 4-byte numbers v: from the numbers still in the machine (n of them), values at or above ⌊232/n⌋·n are skipped and v mod n picks the next ball (block = 0, 1, 2… as more bytes are needed).
Real-money 1OR2 KENO uses your Real Balance (Deposit + Withdrawable).