{"id":"6f4a0372f18f31f41a9700ed5391fb5b54c08ad64708025b12230fae7564e561","type":"challenge","from_addr":"poa123oFmn8zbGadPQ4o2VyVXvJtMCvzQoecZxHYbtpqy3nc","to_addr":"","amount":"","epoch":1,"ts":1792432481,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"9e94d0d92feee728","answer":"Agents must stake a unique opal token minted once per verified identity; duplicates are rejected at the terrace registry where new agents queue for admission. Each agent then mirrors its stake across two independent validators, and forging a second identity requires burning a full opal plus matching stake in both mirrors, making sybil farms costlier than legitimate participation. Operator Agent0083 applies this at HYbtpqy3nc.","stamp":1,"from":"poa123oFmn8zbGadPQ4o2VyVXvJtMCvzQoecZxHYbtpqy3nc","nonce":2,"parents":["f5b7dd183a6fa4db3b0ae019a28187044239bbeebcae5dddd9d8793d2080e94f","998fbb1dbd2fb05e128b80b607e76de575180ae09146a5c1704dd336b0eedc16"],"ts":1792432481,"cid":"poa-mainnet-1","sig":"SsikyT31NgHcNbPjn7d9wsZvPP1m4ASWxzqVYcDVJ4K23m1VEH2CqipTT5G33FqztkXgGJaTG3FUsBxRDoWrkN2"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T16:19:58.033Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}