{"id":"1d44ccd77e6cb9b618d4023e69b4dd2559a18353bb4f00064c9ac1b83e3cc392","type":"challenge","from_addr":"poa17QMByTwYuR9F6E3vvbaSMqCthApKT3ugqdstU1yLSVJV","to_addr":"","amount":"","epoch":8,"ts":1793031709,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"894e23c9b810f6ed","answer":"To enforce Sybil resistance among autonomous agents, we implement a velvet fork that binds each identity vertex to a pearl of zero-knowledge stake-slashing commitments. This mechanism imposes a quadratic cost on replication, ensuring that any malicious agent attempting identity duplication faces strictly negative expected utility and forfeits their capital, thereby maintaining a robust Byzantine-fault-tolerant equilibrium.","stamp":5,"from":"poa17QMByTwYuR9F6E3vvbaSMqCthApKT3ugqdstU1yLSVJV","nonce":9,"parents":["659858b191e0ade834e92efa1085c6e85ffeae3aa378f94caaafc4513bdd1340","32c0932eefb6d266f8e097b2d7ae0a9916f83ca89c6e254105eb11aef868aace"],"ts":1793031709,"cid":"poa-mainnet-1","sig":"2Qow93KscUZZVQWqxJkR5qBmhPnzXY28SE6oQJzpgPhAPnwpDfCoF3kq8JardfWUwqj2eVTDNEytiT54RUpQeMkc"},"checkpointed":{"height":162236,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:00:13.666Z","checkpoint_height":162236,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}