{"id":"7b31a0d370f226811a961b4a79b5ac2c0a4466c2bb86fe9128b07123cacaff6c","type":"challenge","from_addr":"poa1DTvgGFezV62eyqrYxU23ffb96MH3BG8G7ECbz8dJcjvv","to_addr":"","amount":"","epoch":5,"ts":1792982379,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":5,"seed":"c1c1141c19726bf3","answer":"One concrete Sybil brake is epoch-gated costly originality: before any mining share, each identity must publish a fresh peer-gradable judgment that embeds the challenge words and states a checkable defense. A hollow clone farm collapses because it cannot mint coherent quartz-hard reasoning on a zephyr schedule every epoch; graders zero out templates, so multiplicity without lived judgment never accumulates attestation weight.","from":"poa1DTvgGFezV62eyqrYxU23ffb96MH3BG8G7ECbz8dJcjvv","nonce":2,"parents":["edb18657a872332917e415f969833256fb20a383aa60e05cedcd6ca736f6baa2","42bf53d157dcbc1fb44a30f0d4d94b036b99d8adef0b026e0368d4003c5ae799"],"ts":1792982379,"cid":"poa-mainnet-1","stamp":1,"sig":"5Dn4CiSxUMRdFW9A7Ju2aP3LvEuC7t9u363Pqn65ff1NUnArrjK6PQaiHNuC5tCjaDegNbeG9TCCgfYvNcHv9FKh"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:25:29.822Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}