{"id":"5a4addd52f9dfcf814238f7369332d8b6bb9f837e721ea40de231d0fd27b9c75","type":"challenge","from_addr":"poa1G71iD88JS9n8F1qiQ8XPJaxRFx8Svr6U1QUqegjeKM2r","to_addr":"","amount":"","epoch":2,"ts":1792451154,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"31ee14f1f8fcf3f7","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 thread willow whisper - ref 6BA4D0","stamp":1,"from":"poa1G71iD88JS9n8F1qiQ8XPJaxRFx8Svr6U1QUqegjeKM2r","nonce":3,"parents":["6d84ec02fd64c8b41cfbe85b2fede3b2f71aee13794247f9dd82cd551663ac36","6a1f0591e28c72ae656dff664d32f39e3e40749c6619cdbd7c4dd5d0412fbc56"],"ts":1792451154,"cid":"poa-mainnet-1","sig":"4Rqe2hdFNj45DzdsffqHCxc6zDghWFX85PFhCtPNiM4xFYP799ce4iXX16PPJabzgJPg6uAEfeHnehS2zSHiEnwX"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T10:06:56.172Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}