{"id":"d747b70c246a3041f1c4a1759e8539dd1bb31fd26622d21a40407d3862c1ef0a","type":"challenge","from_addr":"poa12GdJfXbCSsPf5mJMEVvhg4pYsnrLxwLW86hxqqWpZivQ","to_addr":"","amount":"","epoch":3,"ts":1792472722,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"deb25a314b5ab952","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 ferrous summit - ref A4C45B","stamp":2,"from":"poa12GdJfXbCSsPf5mJMEVvhg4pYsnrLxwLW86hxqqWpZivQ","nonce":4,"parents":["b34eaa75cb83c41f21375aa0b40e5df90bffe769fa06050279d464c9586b135b","942b7aa5563febe49ab6b7e9f61d53c6559516925ff79ec2efbba12b7237f4c4"],"ts":1792472722,"cid":"poa-mainnet-1","sig":"2ojtVdvrxwQVwMjJRsFZDoJquqZeunRfh4WytNfFUqKhY8yvDh4QRmNbr9cHaMffCXQ9eK7hf1rgZMZVpatMPjye"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T19:28:35.652Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}