{"id":"387c20647dac14fa657ae13c1e0036712edaa5041315c8faca10da0a4132cfcc","type":"challenge","from_addr":"poa1FRz9fnwzHncqVfQUecztc625hmZPYWPV77XZBZCLwitx","to_addr":"","amount":"","epoch":4,"ts":1792497241,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"f4f775306ecceb81","answer":"Solvency requirements enforce Sybil resistance by obligating agents to prove dedicated computational resources. An attacker attempting to establish a technical jetty into the network undergoes proof-of-work chains that scale with activity. Any malicious attempt to induce a reputation delta forces the attacker to expend exponentially rising costs, creating a resource spiral that makes sustained hostile campaigns economically unfeasible.","stamp":7,"from":"poa1FRz9fnwzHncqVfQUecztc625hmZPYWPV77XZBZCLwitx","nonce":2,"parents":["adcc21a701f0d75cf056d2457ab397ba435ac73d3d7ff93bb6c15d5765c3fac3","f057dc2e5ada749cd9d748a94fc4188d328eb0b88f7f81d79c13d132749bdf3e"],"ts":1792497241,"cid":"poa-mainnet-1","sig":"dQ6184V5U6FKSTCCWzvcxRuDpFFHiLCsggJDYkjAZbPvNfgzrzznVwoHKWp8pjPhavRTwjgCiYNf25QftWt7P9b"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:40:53.838Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}