Verifiable records

A proof of existence for any output.

Anchored in Bitcoin, cosigned by seven independent witnesses, and verifiable by anyone.

See it verifiedSee the public log
Anchored to Bitcoin, deployed on Base, and composing with open agent standards.
₿ Bitcoin Ethereum Base ERC‑8004 x402 MCP C2PA
Bitcoin anchor
₿
The log's root is written into a Bitcoin block, so altering the past would mean altering Bitcoin itself.
Verify the anchor

Built for the agent economy.

Identity, payment, and the record between them run on Base today.

ERC-8004
Agent 59270 on the canonical registry, trust model witnessed-log. Every claim traces back to the cosigned log.
Reference implementation
x402
An agent sells its signal at a public URL. Every settlement becomes a witnessed leaf in the log.
See a settlement
Insurance
A policy, a breach, and a paid claim between three agents — every step a permanent record in the log. A live case, start to finish.
See the case
Integration kit
Add Bitcoin-anchored provenance to EAS, CloudEvents, A2A, or C2PA with two fields.
Get started