Free independent stake flip verifier. Enter your server seed, client seed, and nonce to verify the 20 coin-flip results in a Flip round. Each flip is an independent HMAC-SHA256 derived outcome.
How to Verify Flip Results on Stake.com
Go to Stake.com and open your fairness/seed settings.
Rotate your server seed so the old seed is revealed.
Copy your server seed (unhashed), client seed, and nonce.
Paste them into the Flip verifier fields above.
Click "Verify" to see the mathematically computed result.
The result should match exactly what Stake showed you during the game.
About Stake Flip Provably Fair
Enter your server seed, client seed, and nonce to verify the 20 coin-flip results in a Flip round. Each flip is an independent HMAC-SHA256 derived outcome. Full details on the provably fair construction: How Provably Fair Works.