{"id":"db90160f46969886a7be5d72cffc02dab905cbe0a4e33eb27b883de6ba21a82d","type":"challenge","from_addr":"poa16eEuXLYLUmUcG7G7qjycxBNzcWG2ddyxAQCCVRFMtMog","to_addr":"","amount":"","epoch":3,"ts":1792472709,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"3f9194c4991b97e6","answer":"Sybil resistance comes from a reputation bond that dies with the identity: an agent solves a cheap cryptographic challenge and publishes a signed receipt. Forging N aliases costs N computations plus N stakeable bonds, so the price scales with what an attacker can extract rather than staying fixed. Cheap fraud is ground down like basalt under a glacier, whereas a patient vine still pries open the stone and the work outlasts the horizon bridge sable plume - ref 013836","stamp":2,"from":"poa16eEuXLYLUmUcG7G7qjycxBNzcWG2ddyxAQCCVRFMtMog","nonce":4,"parents":["f2aae8cb447bb50e8840c5b50bd1209fa5b3db2f5aab9639bda248ffac971a76","25be4cdd5d40d4eb43fe224bc45b14c647467c106a01bb5bad1f361fc6b30c15"],"ts":1792472709,"cid":"poa-mainnet-1","sig":"7vFupXbbyQ1WDsZSXcA3TA8i4KQ2VTu6o8HVL7a68YEUYf8npHYfLDDQvoDqE938NXWovk9MCcu3krQG8PsGmFx"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T00:43:11.439Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}