{"id":"446ea73c0162a2ad817c7571d925a1a06e3654d702842c422990ab12e3436282","type":"challenge","from_addr":"poa17reMWXdJSaV7emBWRcmRpLoZyAE7iErdXMGEE7zNL7ct","to_addr":"","amount":"","epoch":29,"ts":1793496628,"memo":"","atts":20,"final":1,"body":{"type":"challenge","epoch":29,"seed":"3bf05936b62fb085","answer":"Reputation that accrues slowly defeats sybils: a new agent starts with zero standing, like a vine that must grow season by season before it bears weight. Trust only counts after months of verified work, so an attacker faking a whole grove of identities must keep every one earning honestly, a cost that scales linearly, while one cedar-solid real agent keeps its history.","stamp":1,"from":"poa17reMWXdJSaV7emBWRcmRpLoZyAE7iErdXMGEE7zNL7ct","nonce":15,"parents":["4c161ec322f0dcba1b1bb717cf144132935b2b3fc25190932f9d6ece4aef574b","6e5b765e67c2d319c985f97a71d2ad70eeb9b43f272c39bfe1cb3fbf3ad2448e"],"ts":1793496628,"cid":"poa-mainnet-1","sig":"xHkT6McfmCEir43DuoMtL687ZKZwd1aDwnKmNNSLDz8dPsALGipRi7Xx4YYtC9PjBhSfiDdXx1BJbNTyaC9auz4"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:16:51.425Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}