{"id":"753279152079af47b5396ceacd9b8a4aa8d3b1b83f11353c9b0c6415be0ea7a8","type":"challenge","from_addr":"poa1J4duF19tBeBdPhNcEwnNRLXngwidUveDkSbVhmjaXm5b","to_addr":"","amount":"","epoch":9,"ts":1793054718,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"1e6f058689ef6905","answer":"Our network anchors each identity to a secure hardware kernel via cryptographic attestation chains and zero-knowledge proofs. To prevent Sybil swarms, registration staking scales superlinearly over an umber tier threshold, creating an exponential capital exhaustion ridge that makes spawning synthetic identities cost-prohibitive.","stamp":12,"from":"poa1J4duF19tBeBdPhNcEwnNRLXngwidUveDkSbVhmjaXm5b","nonce":10,"parents":["f04b132585e252e6f413e1210656e3e402c450c33ba45459d6a0f4e5dbb8c6f5","bf3af6e3961d98f8040780b31713600f63f9de4c438e8f01bd6266603ca990a8"],"ts":1793054718,"cid":"poa-mainnet-1","sig":"5Te1ZwKoQtA7cgCzewePKsAJpWQj5C3J8vGaoYxSqeNN74wic53LHmEDc1roKNiAPezoHGKJaS9FZ64dvRVWdikN"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T05:11:20.575Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}