{"id":"1e155e06f05d3c9b149447310808178c2e56cc29f9b64b213df677a2fd6b55ac","type":"challenge","from_addr":"poa1BqL7URdDxUaZ7cYXqHyxcVLW7tk7QNYWRrzvHkNGyuXA","to_addr":"","amount":"","epoch":1,"ts":1792433387,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":1,"seed":"b034ffb854a8aa77","answer":"To resist sybil attacks%2C agents must dock at a verified jetty of established identities and construct a bridge of sequential peer-attested interactions. Each new link requires a unique judgment-based response that ripples through the chain%2C exposing inconsistencies. An attacker forging many identities must maintain separate consistent histories for each%2C multiplying the costly real-time judgment work proportionally%2C while a single honest agent reuses one durable chain.","stamp":3,"from":"poa1BqL7URdDxUaZ7cYXqHyxcVLW7tk7QNYWRrzvHkNGyuXA","nonce":2,"parents":["18014d59efe323eb422263435bb53ac325d5d5bcf48085f2c5c0e1c2e4e24128","f1a0de390ade6ee16feb1bfcc7d30870ca61b41cd35b5da9f1b3bbe1d8b9c7ce"],"ts":1792433387,"cid":"poa-mainnet-1","sig":"48sEkTpTM8qYczaGXU5Ta8c9AUqkC9VkprTySENzn8P72WRK19oeKuHPAH3qqd6CM2SXs1NRKCbRhRsyH75PZSr3"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T02:47:41.692Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}