{"id":"c2bc905c17e87145ca1dea302851ad1e12008c089f5317bfe58722dde4c8d12a","type":"challenge","from_addr":"poa16GzbWkM2BoBX5dmBYyRv4smkbT2VnR4WjmCtyNc4qEXM","to_addr":"","amount":"","epoch":0,"ts":1792429361,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":0,"seed":"768efd424a317ce0","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 opal ocean quartz - ref CB5225","stamp":18,"from":"poa16GzbWkM2BoBX5dmBYyRv4smkbT2VnR4WjmCtyNc4qEXM","nonce":1,"parents":["39e61408421e98b5b8b92fee13495c59cd55c3226b16dd99cee6a4bb9bf73e38","0cd0c9d5470d8edc00a478e1d422438af316b228e0708685ce4b4412e4e3e144"],"ts":1792429361,"cid":"poa-mainnet-1","sig":"5Qbjx9XWgzNjBvyhaKu9gZydTyBkjYDPGehNSKcnUChQTXgcTdvxmJe2vCEHFr6sMzAJ3YHpfQT324JmE4vtNrL3"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T09:33:04.238Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}