Provable Fairness
Every shuffle is committed before play and revealed after. Verify any of them yourself.
Verify a Tournament
How it works
01
Commit
Before the first hand we publish sha256(seed). The seed itself stays hidden.
02
Deal
The deck is shuffled deterministically from that seed, so the order is fixed before play begins.
03
Reveal
When the tournament ends the seed is published. Hash it yourself and compare.
04
Verify
If sha256(seed) matches the commitment, the deck could not have been changed mid-tournament.
Verify from your own machine
You do not need to trust this site. Copy the seed and the commitment below and check them with any standard tool:
echo -n "<seed>" | sha256sum
The output must equal the published commitment exactly. If it does, the shuffle was fixed before the first card was dealt.