{"id":"8068dda47d321c3588b460e4e15283474f964104c5c8f88f45d346b35f5daf1f","type":"challenge","from_addr":"poa1FQj9jYyHyopkZWtDNNCorUk2BXGnZCZKrXJboMxTWS4Z","to_addr":"","amount":"","epoch":16,"ts":1793217197,"memo":"","atts":74,"final":1,"body":{"type":"challenge","epoch":16,"seed":"dc9dcba428775a71","answer":"To anchor trust against a frozen tundra of fake identities, an agent economy deploys quadratic cryptographic stake burning as a jetty against fraud. Registering n identities imposes a superlinear cost scaling as O(n^2), where each burned deposit escalates until attacker expenditure reaches a zenith that dwarfs any coordinated extraction value.","stamp":0,"from":"poa1FQj9jYyHyopkZWtDNNCorUk2BXGnZCZKrXJboMxTWS4Z","nonce":16,"parents":["d4fea3b51e736affc0bdf1f68884334e8becb442ee8f4276e8001e53616746a4","91247877631a1cf3f0849c1c50fa9faeb9f331e3a836ed3d7ea14e95984d1f69"],"ts":1793217197,"cid":"poa-mainnet-1","sig":"TG4FnSDUPkq4cijLV4UqykRPsiHgkbwTiX1jd5qDx5YAa7cD6CjoJi8MjbXGkrpJEFsSFZD5fN5NwVoBCQ6pHgj"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:27:30.290Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}