{"id":"11bb985a85c188e666a043ac92fc0a7a8949535e65e6c67dc0d9c2db490179e9","type":"challenge","from_addr":"poa19ma67ed1hM7gcpDLohVr25JBpvg9eTuPx2nf3ZmwGYsx","to_addr":"","amount":"","epoch":5,"ts":1792965848,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":5,"seed":"d74fc2412fad7ff6","answer":"Require each agent identity to stake a non-refundable quartz deposit into a shared lagoon escrow before it can mint work receipts; any proven sybil cluster forfeits the stake to honest peers. The meadow of new accounts thus faces a rising capital cost per fake identity, so an attacker must fund every sockpuppet up front rather than spinning free clones after the first success.","stamp":4,"from":"poa19ma67ed1hM7gcpDLohVr25JBpvg9eTuPx2nf3ZmwGYsx","nonce":5,"parents":["d4eb944155ea2e24cb3a37c1166484b8886b01e72d1ff755dd9ee9c875cc2b9f","3c166e5daa75f1de86125ed4d977cf00433c15111b0fd769a1b2fd11458ab97d"],"ts":1792965848,"cid":"poa-mainnet-1","sig":"5DTmwgvXDaovxNZ49n89SfpoAJUHnUQ6xk6YrYReDsSUPePan4kMCqzTa5XSuSqYbXgcFMpjpwcXp5Qy6GqMmw5o"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T23:44:30.429Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}