Verify · blackjack
Verify any Stake Blackjack result.
Reproduce the exact deck order of any Stake Blackjack hand from its seeds.
Seed & hash checker
After you rotate seeds, confirm the revealed server seed matches the hash the house showed you up front.
How Blackjack is derived
Blackjack shuffles the deck with the provably-fair float stream and deals from the top. Same seeds, same cards — every time.
Every result here is computed with HMAC-SHA256(serverSeed, clientSeed:nonce:round) directly in your browser — nothing is sent to a server. Reproduce any other game on the full provably-fair verifier.