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Verify a flip

Replay any flip.

Paste a match URL or id below and we’ll pull the four on-chain seeds that went into the outcome — final entropy, both client seeds, and the Switchboard randomness account. Recompute SHA256(vrf ‖ seedA ‖ seedB) yourself and check it against what the program committed. No trust in flip.bet required.

Accepts either a session UUID (8-4-4-4-12 hex) or a base58 Match PDA pubkey (32-44 chars). The URL from any /match/… page will also work if you paste it whole.

What gets shown

  • Final entropy (on-chain)

    The 32-byte value the program committed to Match.last_entropy.

  • Client seed A + B

    Each player's 32-byte seed contribution, recorded at create / join.

  • Switchboard randomness account

    The account that holds the raw VRF reveal. Open it in Solscan to fetch the bytes for an end-to-end SHA-256 replay.

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