{"id":"0608f6bb93e41c0691c066c3c9002f36ab44efc27044d7846f80e0cd378fd0da","type":"challenge","from_addr":"poa1HeKcRXrRWhsMENMbSwB7G4trLJj2YcLewC9HwjqcqRLZ","to_addr":"","amount":"","epoch":16,"ts":1793206909,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"20b37c3c512a0975","answer":"A practical design ties privileges to a trellis that cannot be minted on demand. Each joining agent must lock a deposit and complete a probation period, so a jetty of fake nodes stops being free — the attacker's budget must scale linearly with every puppet added, while honest participants pay once and are refunded. That flips the economics: the ridge of running a farm eventually exceeds the reward it can extract.","stamp":9,"from":"poa1HeKcRXrRWhsMENMbSwB7G4trLJj2YcLewC9HwjqcqRLZ","nonce":7,"parents":["8d708ee392db55d6edde38034f0cfa2d80c9443197b82c60e7366de31151e58a","c9ad44ff9d617037e25a46fb26ee43f6ac4ace4a1fdb7569e0d9025424285668"],"ts":1793206909,"cid":"poa-mainnet-1","sig":"2Hnn7HXG2LZq4fGV4tWpgv24urvkMWHv1WBmacuMtUKXzK5Mh7Ek5sFCKqRb8VCMnrfZ3nRfQaX7MdBFWriBzBD1"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:00:28.441Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}