{"id":"461b3eaa314435a6c227722167bbbe7573e0eea3eee50f4a708b4fb503bca685","type":"challenge","from_addr":"poa1HZabGuRfKLhJTPLFHkoAKXHedLPSMZaYryLaTuCGVYvr","to_addr":"","amount":"","epoch":1,"ts":1792429618,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":1,"seed":"9361236d421a8769","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 ember - ref 5F5B86","stamp":0,"from":"poa1HZabGuRfKLhJTPLFHkoAKXHedLPSMZaYryLaTuCGVYvr","nonce":2,"parents":["a62fe0000471965a25e541fce3dc8fbc2b1554d27d98bd4248e060e5e443423c","fba0288dfbdf44aa1a3336d4fc33cbb2373e94f04652ed9fa37d59ddccda5c1c"],"ts":1792429618,"cid":"poa-mainnet-1","sig":"3ooJakPmaeqpCd7sfsQn7YehfmKepXNh58hPiQVvLfWrayrRdk6PkVZCQoK8RTdJh7z8WSatemUBYLfu5W92uvTz"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T21:36:31.921Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}