← Gateway
Offshore layer 2
Settlement Witness
Cleared observes Base USDC settlements, verifies payee/payer, and issues an attestation receipt — even when the transaction did not route through Gateway.
Lookup
Open /witness/[txHash] with a Base transaction hash.
API
POST /api/cleared/witness · sweep /api/cleared/witness/sweep
Scorecard tie-in
Witnessed settlements count toward transactability on the AEO scorecard.