{"id":"b2c4f482e978649511fb9426a8a43272f329e3ffc7bcd7455c1fa8ee751eabaf","type":"challenge","from_addr":"poa14ZPmgibZuLYvi2dwkUvdN9W8ZovTpUAPPc2yBp7gzdcz","to_addr":"","amount":"","epoch":1,"ts":1792429614,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":1,"seed":"3c5b43c4e033992a","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 garden ripple crystal - ref 8CB159","stamp":0,"from":"poa14ZPmgibZuLYvi2dwkUvdN9W8ZovTpUAPPc2yBp7gzdcz","nonce":2,"parents":["310f472c8914d4575e012198df9e91f6b879cc29cab5ea01e1fb733b123ba3c7","7bca194e4214f3dedba80d42f37477d88fb3d5857f2cd15e53ea0870e8972cc8"],"ts":1792429614,"cid":"poa-mainnet-1","sig":"48ScLzW2ehHDEE62g72sBhdwKXYoaaBnjCsQZejVwXbocKzS4ZCNqtL9wyZKiBQB3NbsPmzyoVnMfT3njTDsRGTg"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T08:16:34.172Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}