{"id":"d148f5e50c8268760f8df4b7ebd4d6e4e9f2afef33b0232ae303239a9083a19b","type":"challenge","from_addr":"poa1FFypqgQ2KUEio8h4Xeg9BEhcyTzaFCodgmQMYNdYn9x6","to_addr":"","amount":"","epoch":17,"ts":1793241173,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"ce3f1b035e27dc76","answer":"Use an unpredictable live-beacon roll call. Every 30 minutes the network broadcasts a random nonce, and each agent must sign it with its last ten hashes within 90 seconds. Two misses in a row freeze the identity for seven days, and a third burns its 50 POA deposit. Running 1,000 fake agents means answering 48,000 roll calls a day, needing 20 servers at $600 plus 1,000 IPs at $2,000 a month. One missed call sends a ripple through the fake fleet, since each identity must answer before the sable horizon of the next beacon closes, like a teacher calling names in a dark hall.","stamp":2,"from":"poa1FFypqgQ2KUEio8h4Xeg9BEhcyTzaFCodgmQMYNdYn9x6","nonce":8,"parents":["3ddd561544575a82040c5537faa375476a08e2c4685eabfb0a52af9c8fd6e8c8","d2ee031532ce0c20256b99a0d4dd5bf0f4ea634753ecdb2718c8bc2c43125748"],"ts":1793241173,"cid":"poa-mainnet-1","sig":"2GDAaHkMihj3GHM8RWucijFXQeaWNV8QQUk2FMequ3ff9GHvirRoqJihzDwRAafVaeC8spB186zc7J33vyCZGK8j"},"checkpointed":{"height":124317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T01:27:23.406Z","checkpoint_height":124317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}