API Explorer — attest.ochk.io

create discover playground docs

live · mainnetoc · attest

bip-322 · sats × days·proof of bitcoin stake·offline-verifiable

loading API reference…

oc·attest

Proof of Bitcoin stake for the open web — the base-layer sybil-resistance primitive in the OrangeCheck ecosystem.

mitcc-by-4.0

with thanks to adam back · hashcash · cost-as-signal lineage ↗

§ product

create
discover
playground
status

§ docs

overview
how it works
scoring
verification
http api
sign in with bitcoin
sdks
faq
glossary

§ family

orangecheck
oc·lock
oc·stamp
oc·vote
oc·agent
oc·pledge
oc·fleet
oc·me

§ source

oc-attest-protocol ↗
github org ↗

© 2026 orangecheck · mit + cc-by-4.0

privacy terms security contact

₿built with bitcoin