In ancient Greece, two parties broke a token — a σύμβολον — and each kept half. A match of the halves proved the bond. Paste a commitment receipt below; if the halves match, the history is true.
Symbolon v0.1 — verifies issuer-attested receipt history only; not payment finality, identity, enforceability, or disputes. Runs entirely in your browser (WebCrypto); nothing is uploaded. Spec: spec.md · License: CC0