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Keno
Pick your numbers, the chain draws ten
House Edge: 5%
Keno is the classic number draw, running entirely on-chain. Pick 1 to 5 of the 20 board numbers, place your stake, and the chain draws ten. How many of your picks it finds decides your return — a 5-pick perfect board pays 19.9×.
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Fairness
The draw is not made by your browser. The chain produces verifiable randomness (Chainlink VRF on Arbitrum, Switchboard on Solana — committed before your bet and verified at reveal), and the ten numbers are drawn from it with ten shrinking-modulo divisions over a 20-cell deck. Take the published value, run the same ten divisions, and you get the same ten numbers. The five paytables are merkle-committed, live in the program, and return exactly 95% — a 5% house edge.
Randomness by: Chainlink VRF · SwitchboardContract operated by: DODEN.IO