Keno is an add-on game for the Crypto Casino application. This game can not be installed and used on its own without having Crypto Casino purchased and installed first.
Game features
Provably fair
When you open the game page the server generates a secret and a seed and reveals its hash (using HMAC SHA256 algorithm). The server secret represents a list of 20 unique random numbers from 1 to 80. The server seed is a cryptographically secure random alpha-numeric string. The hash of these 2 strings helps to ensure that the initial roll of random numbers is not altered after you make a bet. After the game is finished the server secret and the server seed are revealed, so you can easily calculate and verify the hash.
When you play a game you can pass an extra custom string – client seed (if it’s not specified a random number is automatically generated by your browser). The server will then calculate another hash using the server secret, the server seed and the client seed. The last 5 chars of this hash (representing a hexadecimal value) will be converted to an integer. The result number will be used to adjust each of the 20 numbers generated before the game. Because the client seed can not be predicted by the server the adjustment is completely random and hence you can be sure that the game result is fair.
To check that a game you played was fair go to History >> My games page, select a game and click Verify button.
02 May 2025, 03:49 PM
02 May 2025, 03:49 PM
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