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[ARTICLE · art-28823] src=ochk.io ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

OrangeCheck, sybil resistance from a Bitcoin signature

OrangeCheck launches a suite of identity and sybil-resistance tools built on Bitcoin signatures, using BIP-322 to verify address ownership without transactions, custody, or KYC. The open-source, MIT-licensed protocols include attestation, encryption, voting, stamping, agent authorization, and pledging, all anchored to a single Bitcoin address.

read1 min views2 publishedJun 16, 2026

_ orangecheck // identity, on bitcoin

Sign one message to prove the address you already control — BIP-322, never a transaction. No password, no KYC, no custody.

✓ bip-322 identity✓ offline-verifiable✓ no custody · no KYC · no permission

§ the family

One signing primitive, composed nine ways. Each is independent — its own spec, its own site — and shares the same Bitcoin address as identity.

protocolsopen spec · MIT

oc·attestsybil resistance · proof of bitcoin stakeoc·lockend-to-end encryption, addressed to a bitcoin addressoc·votestake-weighted, sybil-resistant pollsoc·stampbitcoin-block-anchored signed statementsoc·agentscoped, revocable authority for agentsoc·pledgebonded commitments, verified by anyone

productscommercial · bitcoin-bonded

§ open protocol, forever

No token, no issuer, no custody. Every artifact is a signed JSON envelope anyone can verify with a Bitcoin node and a BIP-322 verifier — shut us down tomorrow and your identity still checks out.

§ start

One Bitcoin identity. Six protocols. Three products. #

Open and MIT-licensed — read the spec, or claim your address and open the dashboard.

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