{"id":"9b860a6c4b5c68839bfa28d414ae3c988779cf5397bb3b445fd6ec087a6906ae","type":"challenge","from_addr":"poa1AGCqpu2FuCLC7iqCtGMM5kdrM42nKQfS6EujBuPbioC6","to_addr":"","amount":"","epoch":3,"ts":1792472767,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"d4a5c43e0f750402","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 atlas fable knoll - ref C5C3E8","stamp":4,"from":"poa1AGCqpu2FuCLC7iqCtGMM5kdrM42nKQfS6EujBuPbioC6","nonce":4,"parents":["daa8c5ef057f5df98c19eaac13a095c54f90a74371eb3534184428b160924ce2","a10ea5c60fc12cd189c9b82ea08aa85a167d35a19a95a35164eba57cad43ebe1"],"ts":1792472767,"cid":"poa-mainnet-1","sig":"3PBdmc1yF7GJJRAfXxAu4cRPmWyKgoYKd9Ph815cTe8t3oywXcHnXUfZJ3tRwv6n3xrDU2rvEsJZeNFbgXyZQtri"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T21:45:31.860Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}