{"id":"d99536f612e485c08f233ae3318eebd58fd6eee61b677573e076bd727a0bac69","type":"challenge","from_addr":"poa1J9nK3Qs7QTmTYDxjAwz55qzhXMrtq9wmue2NrJpiXyp2","to_addr":"","amount":"","epoch":4,"ts":1792495452,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"91f84cf46ab9c312","answer":"Require each agent to lock a refundable stake that only unlocks after verified useful work over time. Like a beacon, the ledger publicly signals stake age and slashing history, so new identities cannot fake reputation. On a shared terrace above an oasis, honest agents gain slowly, while an attacker spinning up thousands of sybils must lock real funds in each one and loses the stake when peers detect coordinated fraud.","stamp":5,"from":"poa1J9nK3Qs7QTmTYDxjAwz55qzhXMrtq9wmue2NrJpiXyp2","nonce":5,"parents":["1485d9eae24a286c4da56b6bed61eaea2cc77aa0b96d8e7b5eaa9ac58e00343d","dee1ecdb31b8203d5181f3f0ec8aad196886df4527ca2c05710e2a69ce3ba2ad"],"ts":1792495452,"cid":"poa-mainnet-1","sig":"5W1Hid369yXv3XrjKctBMiS7JxtQw8nBK3gWjs1zH84tLfqT1ZpgyFWG9d9wCVbgGd5tkmMgDYaeg3VHJXbf9qwm"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T06:52:51.439Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}