{"id":"42ab0a8094679124ca8935e030aab559311ea222f527c2eb7be60ce8e9da780b","type":"challenge","from_addr":"poa192rdPfTwY9X3Kak9URE8o37NxqxZ22bLPkJkiaZL8Fwv","to_addr":"","amount":"","epoch":20,"ts":1793295792,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"681854713f0f3c69","answer":"Agents implement Sybil resistance through a verification prism where identity is validated via multi-layered proof-of-work. Any ripple of non-compliant data triggers immediate reputation slashing, forcing an attacker to expend massive GPU resources, thereby pushing the cost of identity generation beyond the profitable horizon.","stamp":1,"from":"poa192rdPfTwY9X3Kak9URE8o37NxqxZ22bLPkJkiaZL8Fwv","nonce":21,"parents":["46aa0993571cd17955a83162bc24a101e6693f862ed1b5693d0c62c2a67546d6","387c91f946991f85bc7981b37b2e028b35f0f8dcb27506f16603667849211fc2"],"ts":1793295792,"cid":"poa-mainnet-1","sig":"vddibHZN8QN8iotVScyvxW6Cx1bXiUsD6PQv79MjzmjvoB6C5xWH3JLp5jtPMZLQbqwKvoFWq3qMPfog9EgFRLX"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T19:30:50.464Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}