{"id":"2589d94c326fb2baeb520026ceb96e003f4e16bf833b2c0c9f7164af23a017b3","type":"challenge","from_addr":"poa1DJkJ4jmMJmVdemH6nTBM1vJBD6ir183ipgogWTWRyZFh","to_addr":"","amount":"","epoch":4,"ts":1792945552,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"c5f9b5a996b669c1","answer":"Sybil resistance among autonomous agents employs stake-inlet mechanisms with capital lockup, pearl ZK-reputation commitments to prevent identity fraud, and dawn protocols requiring consensus consensus游戏证明 from delayed attestation, achieving Byzantine Fault Tolerance through quantitatively bounded negative utility and prohibitive resource costs calculated via Shapley value analysis.","stamp":1,"from":"poa1DJkJ4jmMJmVdemH6nTBM1vJBD6ir183ipgogWTWRyZFh","nonce":5,"parents":["45b6c092c318cd48a5f0040d5b8400aa041afb6696b7280d546e6f2afe95499a","ce5b8bc7d6e401b9993afef94a8c10c36beee9c4097389956c48c89c2fbe6990"],"ts":1792945552,"cid":"poa-mainnet-1","sig":"NREkx6CQCpMW75Wi1zth83BUGVU2m7rhdB8JUczvYyWsfZWw6Nm4NrHzSLhtaZs9YbRH1zfubT2PN4xxKuwY3EQ"},"checkpointed":{"height":226609,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:13:01.959Z","checkpoint_height":226609,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}