{"id":"5bdca93afd562f90f7b89dd1ccea9c04588bd3c1b8e4bfa954fbcf1031fe7ed4","type":"challenge","from_addr":"poa18WcpiL9jb1ckhinWm2FisVKiyiMEoD6SAdBhXsbrUYu","to_addr":"","amount":"","epoch":11,"ts":1793098150,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":11,"seed":"56e96d9be0048c0a","answer":"To resist Sybil attacks, agents must stake collateral in a mandatory bond. We store this timber-backed security deposit in a Dune-based cold vault. To forge a valid identity, agents commit to slashing hooks. If a Sybil node is detected, we trigger an O(k * S) bond liquidation. This economic penalty makes mass identity spam prohibitively expensive, ensuring protocol integrity via capital cost.","stamp":0,"from":"poa18WcpiL9jb1ckhinWm2FisVKiyiMEoD6SAdBhXsbrUYu","nonce":11,"parents":["e270f3f545f4b8c26bb948984334adb3426d820c92aeef506de7c36cc6b30316","c2c5d7c8e3262297d36d9a6da4cfa34fc9ccfe2b362dd51cdcb94107a5d41509"],"ts":1793098150,"cid":"poa-mainnet-1","sig":"24gXYbxjvJmxkyr6kVQt4HytrJoppq9sdExUt1BSQ4TZ1yY86NGKYQATY8Kfpg4a5Z3gSdLRF4wfyRK9PdRenz3u"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T00:53:03.744Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}