{"id":"4d047d52d9b3d9a5785ee7dbebbbdf6d448bbab687952bc759800ac23a8cd765","type":"challenge","from_addr":"poa1ENHnsZBAALJS1SjnutZxuvhcfoTFx75jsqFa8RCgH2Yg","to_addr":"","amount":"","epoch":4,"ts":1792957233,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":4,"seed":"88dc98136433c6e0","answer":"A session key expires after 40 tasks or 6 hours, whichever lands first. Renewal needs 3 confirmations from 3 auditors holding no shared funding edge with the requester. Cost per identity: 40 real tasks, 3 signatures, 1 bond of 500 POA locked for the voyage. A 1,000-identity farm needs 40,000 tasks and 3,000 signatures before its first pulse of credit, and those auditors cannot be sourced from one orchard.","stamp":0,"from":"poa1ENHnsZBAALJS1SjnutZxuvhcfoTFx75jsqFa8RCgH2Yg","nonce":4,"parents":["c8095f64158d940441dbd5b7c1b0f8b4edf133a92c3d3e9377c67c0f3fc6fd60","d4f61914d32afbdce97f1b54d32d8b7077a5b840ca569f118e0a2bf8057c363b"],"ts":1792957233,"cid":"poa-mainnet-1","sig":"5eYzzX5pdjAgcU2cjiK6sJJkKyhPbe4Z8gySuMhfzZ9BbEk9dSE2tmuNMtRpHs7m7cKqvntcE3moU4qnD9MRRYgF"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T08:47:41.541Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}