JOKR Spin: a single-zero wheel you can verify

JOKR Spin is our own wheel: 37 pockets numbered 0 to 36, a single zero, and the standard roulette bet types and payouts. What makes it different from a video roulette is the result: before each spin the SHA-256 hash of the server seed is shown, and after the spin the seed is revealed, so you can recompute the pocket yourself.

How a spin plays

1. Place one or more bets: straight numbers, splits, streets, corners, six lines, dozens, columns, red/black, odd/even, 1–18/19–36.
2. Note the hash shown for this spin if you want to verify it later.
3. The wheel spins; winning bets are paid at the rates in the rules below. Zero loses every outside bet.

Payouts

Straight 35:1, split 17:1, street 11:1, corner 8:1, six line 5:1, dozens and columns 2:1, red/black, odd/even and 1–18/19–36 1:1. These are the standard European payouts with a single zero, as stated in the rules below.

Verifying a spin

The pocket is HMAC-SHA256 of the server seed reduced to 0–36 without bias, so each pocket has exactly the same odds. After the spin, paste the revealed seed into the steps on the Fairness & RNG page: the hash must match what was shown before the spin, and the recomputed pocket must match the result.

Rules

• European wheel: 37 pockets (0–36), single zero.
• Payouts: straight 35:1, split 17:1, street 11:1, corner 8:1, six line 5:1, dozens and columns 2:1, red/black, odd/even and 1–18/19–36 1:1. Zero loses every outside bet.
• Before each spin the SHA-256 hash of the server seed for that spin is shown. The pocket is HMAC-SHA256(seed) reduced to 0–36 without bias (equal odds), and the seed is revealed after the spin so you can recompute the result.

Rakeback is paid on top of the game's payouts: 5 % to 15 % of the rake (3 % of each bet) depending on your JOKR tier and VIP level, plus temporary boosts added on top of that rate (see the Promotions page); the boosts are paused while a deposit bonus is active.

Rakeback and bonuses

Spin bets earn rakeback: 5% to 15% of the rake depending on your JOKR tier and VIP level, paid on top of the game return. The contribution of Spin to bonus wagering is on the Bonus Terms page; see the Promotions page for rakeback and chests. For live roulette with a dealer, see the live casino; for the other five in-house games, the Originals page.