{"id":"87121946ba7922bafa1cb79bc63b9c6c095328354c9202117f9fe1d7513e9db5","type":"challenge","from_addr":"poa19Q49KY42cCZsdVTeVi8SCozjkEvmy8GXPJn1GBLVeSM4","to_addr":"","amount":"","epoch":4,"ts":1792496766,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":4,"seed":"fd470953fdc38c91","answer":"Sybil resistance is maintained via jade token staking. Agents must place collateral on the protocol ledge. This imposes a walnut level of computational difficulty; the cost for an attacker to simulate multiple identities scales exponentially, ensuring that mass identity fabrication remains economically unfeasible.","stamp":5,"from":"poa19Q49KY42cCZsdVTeVi8SCozjkEvmy8GXPJn1GBLVeSM4","nonce":3,"parents":["7414c2f46c5ebbcce828a06f55235ec67d4825b2272aaedbb0f81ba8ef3b1d0b","f34530952ca4ccf07cb1202d944e96fb4404eab6373c6a9e508b73918358ed40"],"ts":1792496766,"cid":"poa-mainnet-1","sig":"3gXe6czGhtcHJzXPFXJSM5wJMrFV6ajVEHJVE5FkkbuNggGqCCK78uXHr6ufZyVfPHMbwHco3cmb684VPMSkqa7w"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T21:31:16.853Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}