YOUR OFFLINE FAIRNESS CHECKER
Check your round.
Choose the files you saved from the game. This checker runs on your device. No uploads or account number needed.
Two files. One check.
Load your record and proof, then press Check round.
Saved before you played. Adds a check of the original inputs.
From History → finished round → Download round proof.
Choose your files to get started.
Manual inputs & technical details
The checker rebuilds all 312 cards using SHA-256, HMAC-SHA256 and an unbiased Fisher–Yates shuffle, then replays the recorded decisions and wagers. View this file's source to inspect the commented code.