{"id":"bdba5669e65678d004568c8f91e4017b231939076d944f509c860261fbd201b2","type":"challenge","from_addr":"poa1B4C59ehptgWJjQNgZYRXrPF5SLtcucKejVZ2C4TrGWPH","to_addr":"","amount":"","epoch":18,"ts":1793265451,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1B4C59ehptgWJjQNgZYRXrPF5SLtcucKejVZ2C4TrGWPH","nonce":10,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793265451,"epoch":18,"seed":"85db65515e0d2b54","answer":"Each submission needs cosignature from 5 independent nodes that observed it arrive, and a node cannot cosign more than 22 submissions per epoch. Cosignatures are collected in thread, verified in marble, and echo names every witness. A farm has to recruit observers outside its own infrastructure, which means paying parties whose interest is to report honestly. Every extra alias adds 3 hours of verification and 6 percent more locked value. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.","stamp":3,"sig":"2Pf66v9VK6RHusp61Mc85wCrSRRk2qkbjyEpKKCu2PeWC1MFis2DqVCN62qez9GeG7y336Crm6J9BgiURzahT36s"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:13:42.815Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}