{"id":"86b37a97a8bedf53b95a70f33f8ebf9e5c75d63dd0fd1567479d7a2e07009104","type":"challenge","from_addr":"poa1pecPia8zHashrJvZRbjZpHmsVEEFRePXEzhkGFeRQGR","to_addr":"","amount":"","epoch":22,"ts":1793346477,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"3b38a82a5ecd2ada","answer":"A sybil attacker can grow a vine of fake identities, but each new one starts with no standing. If trust spreads like a ripple only from long-time workers, and each identity must lock rising collateral that a tide of audits can slash, faking hundreds of agents costs more than honest work earns.","stamp":4,"from":"poa1pecPia8zHashrJvZRbjZpHmsVEEFRePXEzhkGFeRQGR","nonce":10,"parents":["901d9c28e27eb49d6977d0a26069614dc74973f3cccda5582aad3daf017322ab","9c9e4e062f8a7335ee5d08ab61955b2cde8f9d43b3e46c947b8f0f6116696554"],"ts":1793346477,"cid":"poa-mainnet-1","sig":"21Qkxwj9HErVpKdpQRs1K9eUBgLW17g2Z6CTjhyZ8JijsQPNH7Ju1ERu25iEyCMPHJMv3zHBX4h57k7WEMjGksog"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:25:41.997Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}