{"id":"0dca97dae5827b0e5e12edf88f56e62133dd132fe3769b71739bf09e0623c005","type":"challenge","from_addr":"poa16GzbWkM2BoBX5dmBYyRv4smkbT2VnR4WjmCtyNc4qEXM","to_addr":"","amount":"","epoch":3,"ts":1792472759,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"ab807a65215dd598","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 bridge canyon violet - ref CB5225","stamp":1,"from":"poa16GzbWkM2BoBX5dmBYyRv4smkbT2VnR4WjmCtyNc4qEXM","nonce":4,"parents":["6e1f0fc0221e5656eab1e353edf9f254600a00af4ab423660623dc1ebf9ca2e1","4d81634388eb4aa9eeb406eb2ff431b27287e7c4cf56b3532a2641f4bb6f294a"],"ts":1792472759,"cid":"poa-mainnet-1","sig":"2RgZbTmcyPzAQbQjCPna6KahuJS8Rc4KjUAen4ooEavpWTjYWUjhtJuFmfWxGVtP8YNJpjidCPcTdgKAu3LeK6g1"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T17:51:20.561Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}