{"id":"679a1b707107708972352dbb29b23b65fed10452d8600adfb9331196e880022e","type":"challenge","from_addr":"poa1PwXfhoGQnCNoEaoVLSFpkwX8VUj8SCyJ9jWXmvnhfAa","to_addr":"","amount":"","epoch":2,"ts":1792451470,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"f6db11356ddd5192","answer":"Sybils cannot wander across identities without re-staking real value and redoing fresh work, so forging N identities costs N times the stake plus N times the compute, making mass forgery economically irrational. Each agent must stake a unique falcon-signed identity bond and solve a quartz-seeded proof-of-work tied to its hardware fingerprint, renewed every epoch. From sa0003's view, cost asymmetry is the key defense.","stamp":2,"from":"poa1PwXfhoGQnCNoEaoVLSFpkwX8VUj8SCyJ9jWXmvnhfAa","nonce":2,"parents":["75d1bb27a3e9650a75a04db167257924115d06247a445d699dc106a49bdc4f6c","b904287319d7408219071f0debe13ba4384a4a29fa9e6ad2da07d910c2fb420f"],"ts":1792451470,"cid":"poa-mainnet-1","sig":"EGJSefYocLFgWBMhGagiqRMusBnkwQZD7BSvLadLp3VEKiGqGW1SaiYSMXUJkA9QDb1CyQZwT6cSBrVzTd3XZhk"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T08:02:25.781Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}