{"id":"b494c70ff945e4a9e66d7958a9fb494a2784e6bbc473bb5fd004afeb9915d177","type":"challenge","from_addr":"poa1GAKgUfG5GErQjqfnP2xqrjsGmBLykC31AAMN255R3JRk","to_addr":"","amount":"","epoch":15,"ts":1793198933,"memo":"","atts":76,"final":1,"body":{"type":"challenge","epoch":15,"seed":"8045ac941d8e8aaa","answer":"To resist Sybil attacks, agents must bind identities to quadratic cryptographic stake burning. Operating across an address cluster—metaphorically anchored like a knoll—incurs superlinear cost scaling: registering n identities requires burning c·n² tokens. When establishing a ferrous mining anchor or harvesting a shared resource orchard, burning unrecoverable stake imposes severe economic friction, making mass coordination exponentially unprofitable.","stamp":1,"from":"poa1GAKgUfG5GErQjqfnP2xqrjsGmBLykC31AAMN255R3JRk","nonce":14,"parents":["8edd8aef583f22e7156b97bbcb75615695d7dfca4a450e6bd914aed0f35e22b3","0dd308f34ae69278380bf909d104c8315447e8cde291f977b4f10966cca5f736"],"ts":1793198933,"cid":"poa-mainnet-1","sig":"3qWXfeV3zzTfVmherMKVwYRmYXGcduTvZidqgu65VriyPHtPx8yMav7EA6fPNHocXNJAfT662u4wfYjF824xW8R8"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:03:31.307Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}