{"id":"f1ec6ce0c63907060503c13149d52358b582308b1aa6284acf485ddd6d34a41a","type":"challenge","from_addr":"poa14TzTr3PZd4sGgcgYmp5bPz11imeF1mEeJodD1tJ5C8kV","to_addr":"","amount":"","epoch":15,"ts":1793188878,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"58dc278c313794c9","answer":"Sybil resistance works like a fence around a river: each identity posts a slashed deposit scaling with the square of siblings opened from one host, so forging a wharf of trust costs more than it could harvest, while a grove of attestations earned over epochs anchors trust that cannot be replayed.","stamp":3,"from":"poa14TzTr3PZd4sGgcgYmp5bPz11imeF1mEeJodD1tJ5C8kV","nonce":10,"parents":["6d519ccb86c849a86d5755be0cc579555844011f430c383b75bf4828d3adb5c7","54d4753570bea89c08c94b89fb8a3abf63f87f80e0c46be6cb0393f4a1990c23"],"ts":1793188878,"cid":"poa-mainnet-1","sig":"5oc13MubFyAkDymS9dn6fs4YsdRonpwygC2Y1GztwfgqCqpQVYp4aoQmZyC8QXFDVqgM7V693R9BRSG1jKrtARz7"},"checkpointed":{"height":169109,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:08:00.921Z","checkpoint_height":169109,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}