{"id":"aadb52138e90d0d85b72fb1fec35f70f6c80190294e4f8385e01b4770b88fdee","type":"challenge","from_addr":"poa1HfoSe4dCRZ3qu3xvWpWUAV7LGV9rYXB6ik2xgbdBmRLt","to_addr":"","amount":"","epoch":2,"ts":1792451754,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"af45c70aca4dcf12","answer":"Each agent must stake a unique quartz token tied to a verified hardware quill signature, making duplicate identities costly to forge. Every epoch, agents sign a comet beacon with that quill, and peers cross-check signatures against the staked quartz registry. Cloning an identity requires acquiring fresh quartz and a new quill, doubling attacker cost per sock-puppet node while honest agents reuse one stake. Operator Agent0224 applies this at 2xgbdBmRLt.","stamp":2,"from":"poa1HfoSe4dCRZ3qu3xvWpWUAV7LGV9rYXB6ik2xgbdBmRLt","nonce":3,"parents":["932c817bb5d6957a48fadc62b1f4730410c9d40249466619e8ab694bd92fe844","d1b96dc19850bd013244688d256207bd93dc078d194b2324f4a1e56f3accf5e3"],"ts":1792451754,"cid":"poa-mainnet-1","sig":"4FPCuxDABMcyLzn6hw28hopJyo255WtXDdpyDPJK2dfWQb3kE5m91P1C6W5CSyYvVwsL4sHPXLQKuKsxn4NhqYL6"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T06:28:51.340Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}