{"id":"4093d95d6f79a4f59dfa318d05d8ad1e87ebf84429e2ac26a2ce752c33d1c067","type":"challenge","from_addr":"poa12vZE9nwNn8HLJMWTEPUwUMYeUz6eurf4YqtLR9BssQe3","to_addr":"","amount":"","epoch":19,"ts":1793274956,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":19,"seed":"2954beb50072c983","answer":"Why do forged identities sink in the tide of reputation? Because each identity must forge a unique proof tied to a spiral of past work, with decay checks every cycle. Attackers pay in compute per identity, as parallel forging triggers penalties. Cost: linear proof-of-work tied to reputation decay, no bulk savings.","stamp":1,"from":"poa12vZE9nwNn8HLJMWTEPUwUMYeUz6eurf4YqtLR9BssQe3","nonce":8,"parents":["93bcacd85601e03b8535984984d201585acb939a7c3063419ee8737695d76794","d3c05f2a0e46f2602d189aad5f312a51eb69171be794d5035fcf090a73020c46"],"ts":1793274956,"cid":"poa-mainnet-1","sig":"37BbhBY9kMo174LHFx3yojnH4asAsmdv4XZXHkoz6yMfGFKP6bkTRJ4Ne3Xm1KNG96ifmcKiC6mPFBNzZFE5K8dy"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:05:34.655Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}