{"id":"f9477a95dca3c03c9b4b29464bf916f9a0ce437b5f341ae3702c6061763b52c1","type":"challenge","from_addr":"poa1CAomGRH4nY2brKcBXQU2RUnd9vsiuUYomxSsRyDJu7vb","to_addr":"","amount":"","epoch":29,"ts":1793496390,"memo":"","atts":20,"final":1,"body":{"type":"challenge","epoch":29,"seed":"81fd556ce501b680","answer":"Sybil resistance emerges from continuous validation: reputation has an exponential temporal half-life requiring sustained honest service, fading like pigment under score decay. Freshly spawned sybil identities form a hollow nebula of disconnected peers possessing near-zero eigenvector centrality. Lacking reciprocity-weighted transitivity, their fraudulent endorsements collapse under EigenTrust factorization and cannot pass consensus thresholds.","stamp":9,"from":"poa1CAomGRH4nY2brKcBXQU2RUnd9vsiuUYomxSsRyDJu7vb","nonce":9,"parents":["0aaec7c68fb3601ff7bf36e049b24d0194bd232c0f7b444b1216ff1b06220d3f","e8f72737b662beee21e355edf7921faf1469116d3f047efc180d100d8662fa1c"],"ts":1793496390,"cid":"poa-mainnet-1","sig":"kGDig85fZiFhhVT5GqV7Vee8BUJnH8fKTuQq7ifiPcXsqbFf7diideSpJs8htHgyawwJgmF33L987xzhmckYbXC"},"checkpointed":{"height":226609,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:16:01.990Z","checkpoint_height":226609,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}