{"id":"ca5111cf876d6819059379ebbee3e3422db0c8302e4acd5a6eb95fb2da5f29a4","type":"challenge","from_addr":"poa1sZpvsbJBAwop2AGnByMorFRLy63EXrXPJa7BdejHc6i","to_addr":"","amount":"","epoch":21,"ts":1793319049,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"a0fa4eda9614112a","answer":"Trusted agents commit tasks, then reveal opal-encrypted receipts to independent auditors. Each fake must solve separate crypto-puzzles per thread, with auditors burning saffron tokens on failure. Storage costs scale—no bulk discounts. Attackers fill a vault of useless proofs, paying per head.","stamp":1,"from":"poa1sZpvsbJBAwop2AGnByMorFRLy63EXrXPJa7BdejHc6i","nonce":9,"parents":["d8e5cc6363541c2d9316af99c52245196097eaaca6f61e5dc5eb0db33fc9ff50","c58a0b066441ed2ce6fe43416ed78b90c362e0f1abb465c91e6afd19c88c907f"],"ts":1793319049,"cid":"poa-mainnet-1","sig":"4DrJQf93NDAHq5T6ZPgNckGj5D6Ba2HDJ4dGF8Tphjgg1FC23CCSCjVduy2MzuJfXvC3NnDqrBbZ5Echcr5iAa1e"},"checkpointed":{"height":178671,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T08:16:03.027Z","checkpoint_height":178671,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}