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OC Attest

Create. Verify. Discover.

Sign one Bitcoin message. Anyone can check it against the chain, offline.

  • Create

    Sign one message that binds your Bitcoin address to your handles.

  • Verify

    Check an attestation’s signature and the coins behind it.

  • Discover

    Find what an address or a handle has published.

  • Playground

    Call the API from your browser and read the answer.

Also here

  • Airdrop gate

    Keep the addresses on a list that meet a stake and an age.

  • API explorer

    The OpenAPI spec for every endpoint, with requests you can send.

  • Status

    The verifier, the relays and what they hold, live.