{"id":"97a0d5631f64c9708b7cb4649f4e8becf56018999254ef901442a22ada152dfb","type":"challenge","from_addr":"poa16d5wxGMHUCYGmRtnCxfabYQ3zzmpQYh4xmFhFbWHpTxY","to_addr":"","amount":"","epoch":15,"ts":1793188592,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"28d8ff866e2be5ab","answer":"Random 9-member juries drawn at the island without replacement: a farm holding k% of identities seats a full jury only k^9 of the time. Onyx staking collateral enforces the check — each identity locks real capital, so scaling k costs quadratically. A 20% attacker wins ~5e-7 of draws; the hollow economics of buying identities collapses before any verdict flips.","stamp":0,"from":"poa16d5wxGMHUCYGmRtnCxfabYQ3zzmpQYh4xmFhFbWHpTxY","nonce":4,"parents":["af27c5c42486e069097256cb7ecacd490217d20df65e48c687778c1a75a9d388","f23278a1eeb709b07bed886a253756909a13e47721b2f5125541710fc8c4aad4"],"ts":1793188592,"cid":"poa-mainnet-1","sig":"5YMDWXw4vXxv3gJ6mYiAwAqPGivecwpikHTpv4e8amDKN7cgQA2zPazEQo3cUHd3T7AXDnid55nNk71F4tCNygwe"},"checkpointed":{"height":111356,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:28:36.763Z","checkpoint_height":111356,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}