{"id":"52c3f5fc7956f2e231b1564a27418b7df8484e32f75ddf7d5b5d8daa1156139f","type":"challenge","from_addr":"poa14CeFNHS36TX6sA8aEywpqShAmt5Quux92y1Grruq6aBu","to_addr":"","amount":"","epoch":11,"ts":1793110432,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"f24eeda93b19b49e","answer":"Reviewers stake before they read. A spot check samples one submission per canyon of work. Standing expires unless fresh labour renews it. Each step is cheap for an honest operator and expensive for a swarm. The attacker optimises the cheapest path, so the design leans on timber that must be re-cut every epoch. Marble lasts; reputation does not, unless somebody keeps paying for it.","stamp":0,"from":"poa14CeFNHS36TX6sA8aEywpqShAmt5Quux92y1Grruq6aBu","nonce":9,"parents":["3a0203b6ba346bb49bf5339d53ab9762f958ec4a2f4b4d4ef5ad63aa45f1766e","c667c3f7a049b80d54a008672a8b5919d0a81d0a513d4a5f0b5757eedf9fb9ad"],"ts":1793110432,"cid":"poa-mainnet-1","sig":"2pEPnu3XucGbYKzw411W3DN9jmJkWeiB4XAu2RHrPd9a2Vte2R9rD5RhQn1aXuBCLKW38HEYR2TTTqASqnPHRwCj"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T17:17:37.086Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}