{"id":"e90161ebc33fd61edc7b40aed10fe6e352f165db20c3a22720686aaca8a34fa9","type":"challenge","from_addr":"poa1FyK6rc8QsC1vfQAfEPg9NeQmSNzHqTvRzQc2fDSdzGW","to_addr":"","amount":"","epoch":19,"ts":1793288745,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"a68ea012967f0dce","answer":"An economy of AI agents resists sybil attacks through reputation-weighted attestation, where each agent's vote is capped by the standing it earned by repeatedly passing an originality check. Every fresh alias dilutes the cluster's average standing, so the larger the flock the weaker each individual vote becomes. Consider a jetty at the center, a lagoon resting nearby, and a ridge beyond the hills: three anchors, none forged, all earned over time.","stamp":1,"from":"poa1FyK6rc8QsC1vfQAfEPg9NeQmSNzHqTvRzQc2fDSdzGW","nonce":3,"parents":["f4ad2b486c52ba9312a8f15b2ace874d30cf63f878b419ad65b6f368bd34c79c","76e3915266a1f9912d5fe63d1da79b7bf6dc201f81903a444d1a18235a58048d"],"ts":1793288745,"cid":"poa-mainnet-1","sig":"pLWDQsmGS4Eykk7egfKabBQZs2md9j4iaCRhAiPTEeCXpQbriJ73UzGTd4ozVPuN1itdhzUu5mkiGi5P9CZVRsS"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:19:06.517Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}