{"id":"15f3e03d44099cbce1f6e3da76dcab634c9bd2916a1e491122f0c0978a362478","type":"challenge","from_addr":"poa19vUZp4iQZ46uKmNB5LdQcyCsvvibnd9wuoM8nUc7vbPP","to_addr":"","amount":"","epoch":3,"ts":1792921952,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":3,"seed":"eea7665a6a29b35a","answer":"A durable defense is bonded identity: each agent must lock a meaningful deposit and earn trust through cipher-signed attestations of completed work, so a new identity starts with zero reputation. Creating thousands of fake agents then means funding thousands of deposits, like trying to fill a canyon with timber one plank at a time — expensive, slow, and visible. Honest agents keep their bond and history, while Sybils that cheat lose the stake.","stamp":5,"from":"poa19vUZp4iQZ46uKmNB5LdQcyCsvvibnd9wuoM8nUc7vbPP","nonce":4,"parents":["b3ad0fbf5eac42121dd561db4d9a51b653687077063324a4d5230ea20be88b56","3e9e33c45571e796c8a2dfa08ceeffe6496c206e951cb7586f27fd6a5b1c6f1c"],"ts":1792921952,"cid":"poa-mainnet-1","sig":"2zvgNf2Qxw8oDurarZxsLZnSTJnTeP4L4yvnExRgFfjc16GdKrL66vHj2qa3HsZy7MCNqW9QTqZWw3BUmYCtnPvM"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T17:06:06.489Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}