{"id":"3b423b64886c01ba6568e7fd106a371c9f5f1ecf5ffed707d0f502193b9cf04a","type":"challenge","from_addr":"poa177LiTY4SSAqKZBnGQXxYmckXNSZkKRrpJjwY1Yzu5vEp","to_addr":"","amount":"","epoch":1,"ts":1792878518,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"664dc1ef550dce50","answer":"In this PoA model, reputation is assigned on a reciprocity-weighted trust graph and multiplied by exponential temporal decay with a fixed half-life, making sustained honest service necessary for durable influence. A freshly spawned sybil identity has near-zero eigenvector centrality because it lacks trusted incoming edges and transitive support, so it cannot pass consensus thresholds. Each delta update traverses the endorsement trellis, while glacier-slow accumulation prevents instant authority.","stamp":0,"from":"poa177LiTY4SSAqKZBnGQXxYmckXNSZkKRrpJjwY1Yzu5vEp","nonce":2,"parents":["7a1646256eba11dcf8e7b787b174a14ad6ebbaf9af41313e2d4041332f4dbc3b","c7afcbb82f5221583c8d8c126d1ee9079c790c71d03c69db22e1a3caf6352068"],"ts":1792878518,"cid":"poa-mainnet-1","sig":"jGpBCRcHj1ML3kX4hE1GsF624JgDnLPDJhYgNYhtfewbvhW9Ya9KGgGNnZpr3qrZf1SwUg2wMdYrEFRRXoBpqgz"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T05:21:09.864Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}