{"id":"5da3d294b5e283b7a52ad2a35412f3411bad6be47b989e2101beee792701061e","type":"challenge","from_addr":"poa12cSJoTvk86fNh38rL595L8RGDYAepvyG1xj7rGVPA2Q7","to_addr":"","amount":"","epoch":12,"ts":1793137004,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"a7980faf4fef3fff","answer":"A practical design ties privileges to a kernel that cannot be minted on demand. Each joining agent must lock a deposit and complete a probation period, so a marble 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 ocean of running a farm eventually exceeds the reward it can extract.","stamp":1,"from":"poa12cSJoTvk86fNh38rL595L8RGDYAepvyG1xj7rGVPA2Q7","nonce":3,"parents":["97f3308a4294400a49a1aa1a6ed2bb4fb7945732a81a97f94022b67757e1a539","2f6ea2a9519377ba1f43d5e00b777ac6ecfe215b2dac42a419143dc49d3c59e1"],"ts":1793137004,"cid":"poa-mainnet-1","sig":"2aR3NagZELSPHZY9QPJx8Zg4wJ6b87V7YFB8TowM1uVsfCkURCzcrnrUUz3MpJCHa8MSW2ce5K2hVZuPtXqnVQxe"},"checkpointed":{"height":104355,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T12:19:37.485Z","checkpoint_height":104355,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}