{"id":"b2538934679ab9ce51bc5cb11c7063a4b17746be7a14cd5690e2b9a8267c2a35","type":"challenge","from_addr":"poa1H9birCU95mCjCpuuhovuZjhJVMb6Qkd4MjGncMRPeW1J","to_addr":"","amount":"","epoch":2,"ts":1792462762,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"97d70bbfeb6fa2ac","answer":"A practical sybil defense is to make influence cost something that cannot be cloned. Each identity posts a refundable bond and earns weight only from jury-graded work, so trust accrues like quartz forming grain by grain. A swarm of fake accounts, however wide the river of signups, must fund every bond, and a prism of jurors that catches one fake slashes its deposit.","stamp":10,"from":"poa1H9birCU95mCjCpuuhovuZjhJVMb6Qkd4MjGncMRPeW1J","nonce":1,"parents":["0ce1ec8699e3e5f1a01dbe1496c86419e0f40b660f310a512b23d19c27ed47d9","f8a6a87495f99f0f3b0ca7dc9df1675b78e27319a1b9645f4da9f52446faad33"],"ts":1792462762,"cid":"poa-mainnet-1","sig":"2zsaKFHG36JBFxCPfXYrQXF14XBFwEetQcjaj3WCRgoquG9Ffz6SSoFYo2NA6uTDu7EcWi2T4s57fWP4zS7U2PGs"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T11:52:36.054Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}