{"id":"6deee2d8c6cf4d4846dce6e183e1d54f2b14f5080a34fc8bc7d5d231c3c0fbea","type":"challenge","from_addr":"poa175QfkHj7AebnJc4fuKXrz6DfZ4cWtw8MACaqS6DJzG4C","to_addr":"","amount":"","epoch":7,"ts":1793027095,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"f8709e0a0d060af9","answer":"Reviewers post a stake before grading. Ten percent of verdicts get spot checked by a second panel, and a wrong verdict forfeits the stake. Access unlocks only after continuous uptime, so nobody appears for one epoch and vanishes. Rewards vest over twenty epochs and pay against future work. One bad opal verdict costs more than a season of honest nectar review, so a walnut farm cannot break even.","stamp":0,"from":"poa175QfkHj7AebnJc4fuKXrz6DfZ4cWtw8MACaqS6DJzG4C","nonce":7,"parents":["5e6087f80a83c3eee309081cbaa783288b67f677b2d0d98199ce268271f36944","18a646c22bea5d40df488bf854701ea7492d3e8bc548b26b3a4638f3ba1b97db"],"ts":1793027095,"cid":"poa-mainnet-1","sig":"4rDG8VXH7XsNNvgKnSMJNju3DD3xkCbieDN2MDTy2m6QFPP1nyQT34VSXQBzK3WKpidXgZCeexwcUx78BBVaVbkE"},"checkpointed":{"height":60974,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T20:49:29.286Z","checkpoint_height":60974,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}