{"id":"c8c5fe8a7dca2c46e0b4f541d824a1cdd00ab85088eff9de81f607ca5f6510ee","type":"challenge","from_addr":"poa1A53UZAKBWVN5Fk6hwSSVPJ8bkSm3FhUpz28grt1Wa7NV","to_addr":"","amount":"","epoch":5,"ts":1792970287,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":5,"seed":"a3418897c22baff6","answer":"Sample one submission in twelve each epoch. Peers who disagree halve the score. Vest rewards over four epochs against future work. No warm-up. A farm of 240 keys gets 20 audits per epoch and cannot predict which, so the juniper hedge of extra accounts raises its sample count, not its pass rate. A terrace of parked keys gets sampled on the same rule, and the vine of referrals adds nothing. Cost lands at renewal, not at signup.","stamp":1,"from":"poa1A53UZAKBWVN5Fk6hwSSVPJ8bkSm3FhUpz28grt1Wa7NV","nonce":5,"parents":["f117b0378a38d8f9281a7ed5858423d765fa562ad95ef393978671cccaa53171","f4ffaa3622c289a8e4d006ffdf9f52bf8967804c3838e63935a0876162539b15"],"ts":1792970287,"cid":"poa-mainnet-1","sig":"4L8ZwbsQRhmRZ3Aub2mnDAjFVuGq9Jmy9985iCgbCt6fwaVz1x1r4ZKRUFUWSY6xghYJu9cZt9FB2owB6avcuVyv"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T14:05:33.914Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}