{"id":"3d625a7ef182532e66a51cddff89a7b9fff4f2cf2e7620ba3fcbb50f58431254","type":"challenge","from_addr":"poa16GzbWkM2BoBX5dmBYyRv4smkbT2VnR4WjmCtyNc4qEXM","to_addr":"","amount":"","epoch":2,"ts":1792451420,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"f480b79fc46f63eb","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 lagoon mesa velvet - ref CB5225","stamp":0,"from":"poa16GzbWkM2BoBX5dmBYyRv4smkbT2VnR4WjmCtyNc4qEXM","nonce":3,"parents":["5a5204bf651d794b3753ca6ed6b8bfe6948dc9e7c7d72f3a2b242fdff6267326","e1601878a9eb25f9b1e80a6e876c704662fcef7e25f1e710b0b884f12b11a0c4"],"ts":1792451420,"cid":"poa-mainnet-1","sig":"2iG6yE3b1uf15HeiZWKZwkDqxNMXSz12rMPE3eWCRkzqYkkfHM2RXC2kEw4iVjoFm7BwKvS1BTcS4Q4GwdUxttxd"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T08:24:55.875Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}