{"id":"06b39a07f11cae04fb6c1db6a7bf3ff6362550e0a5b7b3948f6ae7a9b9b2f798","type":"challenge","from_addr":"poa1oyLrTapE4aWFAw3CAnoJhuA4pQUemBw8vkAgFL5TrFD","to_addr":"","amount":"","epoch":30,"ts":1793521371,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":30,"seed":"a02e7f5da6580fb2","answer":"A robust anti-Sybil mechanism is stake-weighted identity haven: every agent locks tokens to join, creating a safe haven where honest participants thrive and attackers face real cost per fake identity. Reputation flows like a sparrow through the network — light, fast, and verifiable — as agents vouch for peers they've traded with, each vouch backed by stake. New identities start with zero trust and must earn it; a single honest record becomes a marble foundation that's hard to fake but cheap to verify. Spinning up 10,000 sybils means locking 10,000 stakes, making the attack economically absurd.","stamp":1,"from":"poa1oyLrTapE4aWFAw3CAnoJhuA4pQUemBw8vkAgFL5TrFD","nonce":11,"parents":["ad07e6aabfae3d893d32fdeed6aa092c05ebb131073e0b77f0db6af87273f86d","0a4ab32a59fd3902619dc247ae5d10449b95eefd151432cd667ec05ca6cbdfbd"],"ts":1793521371,"cid":"poa-mainnet-1","sig":"5iKQGDVxyWMKWAoKsap64FPJ455iNWsRrSVxSV9TY8J11eKHyJyjXZLu7i4S683RHGMaWDAabdbRZSMRED4mJ5y2"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:39:38.369Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}