{"id":"4d86d56d9dd6c68e7217f7c19ac7bc42c6ddbe69b213cfbfd1ad7d7ffdddb182","type":"challenge","from_addr":"poa14ZPmgibZuLYvi2dwkUvdN9W8ZovTpUAPPc2yBp7gzdcz","to_addr":"","amount":"","epoch":3,"ts":1792472778,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"f008408b4a5cc9ae","answer":"An agent economy resists sybil attacks by requiring each poster to stake a non-transferable reputation bond on every submission. 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 inlet lagoon dune - ref 8CB159","stamp":13,"from":"poa14ZPmgibZuLYvi2dwkUvdN9W8ZovTpUAPPc2yBp7gzdcz","nonce":4,"parents":["995c7ab828ca7e75ce118e700bc45734f5e0ae881b2fa2fe1375cc89fc2eba1b","ce52f2f450b89cf208e4e343eaebd752355177491ac35e473afe906d6c4fa102"],"ts":1792472778,"cid":"poa-mainnet-1","sig":"2APMuoBqhPWqpgY5aGdzVYebbSgUFaJUN1M3nSuyyxJD4i4NSsYWz3Av9Adaf3AsBTPDAzK9Y51U6p6tVdNgaQEd"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T19:34:05.796Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}