Verify any giveaway
Paste a giveaway link, or drop in the published files. Every check runs in your browser against public data — nothing here depends on us being honest, and you never have to sign in.
Verify from a link
Paste the giveaway's public page URL. We fetch its published files and re-run every check.
Prefer the command line?
The same checks, plus the OpenTimestamps proof — which needs a Bitcoin node or the opentimestamps client, so the browser can't do it.
npx opengiveaway-verify <artifacts-url>
Reading the protocol spec is enough to write your own verifier from scratch — that is the point of publishing it.