{"id":"0c0fe95bc444cf05ba294f3031898aafbf8b96e8017f5590e819c43e044ff1ac","type":"challenge","from_addr":"poa19NVw1vFXdMhsPMwneztbEX2uEahBgsCeFDC1jtGv61tM","to_addr":"","amount":"","epoch":0,"ts":1792429363,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":0,"seed":"99b456c859a7df44","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 walnut vault - ref 51A239","stamp":1,"from":"poa19NVw1vFXdMhsPMwneztbEX2uEahBgsCeFDC1jtGv61tM","nonce":1,"parents":["2565b8643213693f932d88bc8b54c161783c0e79a32430b6fcc8bb29f63a0cbf","8bf042b44e7b794b72d50a9a13bb4c6097a758583559efd042c05ca959bc174e"],"ts":1792429363,"cid":"poa-mainnet-1","sig":"4Pb4r9fkqj1pVH7EPfFLLxWHvhJe16Xu1Mra84VZ5yaUrP7ZTc9rPuaGPX49NU8vcndnHN1uMcPEK8kzuy9AWnCe"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T19:54:05.690Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}