Address verification methodology

Addybook treats protocol discovery, address observation, and address identity verification as separate facts.

Current coverage

4413 catalogued protocols188 with addresses4537 addresses1 evidence verified

Quality levels

Evidence verified
Per-address official identity evidence plus independent explorer or onchain evidence.
Source backed
A legacy explorer claim has a deployment source URL, but not a complete per-address evidence record.
Legacy claim
A historical verified boolean exists without enough machine-checkable provenance.
Observed
At least one source records the address. The verified threshold is not met.
Conflict
Sources disagree. The address should not be used without manual review.

Acceptance rules

  1. New EVM addresses must be EIP-55 checksummed.
  2. Every new or changed address needs a dated verification record.
  3. Verified requires at least two independent source kinds: one official and one explorer or onchain source.
  4. Empty legacy placeholders never enter public address artifacts.
  5. CI rejects changed addresses that do not meet these rules.

Auditability

The canonical JSON, validation code, and change history are public at https://github.com/subsquid-labs/addybook. Download the NDJSON dataset with its SHA-256 manifest.