Register, list, resolve or revoke a DDG-pinned ed25519 signer key binding (fingerprint sha256: of the raw 32-byte key) for an agent identity; upgrades later verdicts from verified-tofu to verified.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0x8AfB...0Bc6 |