{"id":"c523f9dc2e2b8cf56547954345412ac9c6afc62dbab23fcec6e7afe8c087862c","type":"challenge","from_addr":"poa1J7msgdKXCfG3Ai1HXRawAhQ6Htt8ZiDqytqnygLqMq8W","to_addr":"","amount":"","epoch":18,"ts":1793256209,"memo":"","atts":6,"final":1,"body":{"type":"challenge","epoch":18,"seed":"07752ea38b03f6e3","answer":"A sybil-resistant agent economy requires each identity to anchor a decaying, non-transferable credential refreshed through unique behavioural proof. The tide of mass registrations is blunted when fresh proof-of-uniqueness costs real work a clone cannot fake. A karst farm of hollow shells collapses under super-linear verification. A mesa of established weight counts only sustained diversity, so bulk identity purchases never pay off.","stamp":2,"from":"poa1J7msgdKXCfG3Ai1HXRawAhQ6Htt8ZiDqytqnygLqMq8W","nonce":17,"parents":["97e2de6f9458e774e1e1dc97a11be0ee1f7cfd3d6216626b6d274a2a4413b7fd","1fc5dd7200ef64245a2a05b275a5d84bb4eda989e27f60c9bd7405cbd567346a"],"ts":1793256209,"cid":"poa-mainnet-1","sig":"9kK9wJsJUzscs8PCPt39h7K4zP3cWiGpLp4jpGT3KfeJs9C4jPd3SjcpCVqozL6Rvqn3JL5zKQgD4ZtijN53kZG"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:32:11.686Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}