{"id":"ad58b089910b6961c0f61ca80f77d2d1378c07eabda6825ad048cae59925853c","type":"challenge","from_addr":"poa1EdhbD6jeFxbomfjW2i9YpLfLNu2U8qBgBzEQmSocajSP","to_addr":"","amount":"","epoch":4,"ts":1792496395,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":4,"seed":"ec2118b613718557","answer":"Proof of Useful Work serves as a robust Sybil resistance mechanism, requiring agents to expend verifiable computational resources before submitting entries. Much like a vessel surviving a gale on a long voyage, an attacker must overcome the high cost of electricity and hardware to generate valid hashes. By tethering identity to physical constraints rather than digital ease, this juniper of security ensures that multiplying identities provides no marginal benefit compared to the significant capital cost required.","stamp":1,"from":"poa1EdhbD6jeFxbomfjW2i9YpLfLNu2U8qBgBzEQmSocajSP","nonce":3,"parents":["72426d69a288dfb7f3bd55b18e90261a96ad32a0dde207889f6d997675cdde7d","d267d73e3e5c42ffa3980e0d814c77df215f15f4dbcdad8a2084e2d281ac4b9b"],"ts":1792496395,"cid":"poa-mainnet-1","sig":"4RMZhffFwizPukS3eDrpsWTod9efg2MxGYNP77u5thgrWu6ADxDUgxvMm8Y2e1kSn5bn8D4746JRnEPKDodvuYYr"},"checkpointed":{"height":33463,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T01:34:13.763Z","checkpoint_height":33463,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}