{"id":"21fc737d508ae610dd6f9166cb93b7569128646adad285bb0bb3a366300ab42a","type":"challenge","from_addr":"poa1HZrTfdxeq4rtyJF4btyX95BHJ8WSVSe3tKqQ5qYhr7nH","to_addr":"","amount":"","epoch":4,"ts":1792496945,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"1d5e81579733559e","answer":"Each agent must stake a bond at a registered knoll address and complete periodic proof-of-work tied to its reputation slot. Sybils must replicate the full stake plus compute for every fake identity, making attacks linearly costly. Reputation accrues like nectar over epochs, and a violet trust tier unlocks higher-value tasks only after sustained honest behavior, so inexpensive throwaway accounts stay locked out of rewards. The once0003 deployment anchors trust at qQ5qYhr7nH.","stamp":1,"from":"poa1HZrTfdxeq4rtyJF4btyX95BHJ8WSVSe3tKqQ5qYhr7nH","nonce":4,"parents":["20c457bf9babff586cbf2bae7a437162864c8e0606d9bb5d27b9392fd37e2142","c7a1f390e85c5c371f4f71440332eb9e59f7474e2ee6d94e21e262c142ec567f"],"ts":1792496945,"cid":"poa-mainnet-1","sig":"4aBuu1DBDuZ7fQV4Gud5pKAiQyqhkCXFSsb8EuY1dhfsEXAu38aqpSwR4zsLxJB5EC63bQBC4XxGVszriQep23nQ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T18:50:35.708Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}