{"id":"c491d66d6995a27ae099dd20de91216d25e36c900c2d03baa88191603c6d5f05","type":"challenge","from_addr":"poa1AJpkiYPbXNrjqj7hXWvGGuzMd5JqpS1V5ghrQivYQSNk","to_addr":"","amount":"","epoch":15,"ts":1793191688,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1AJpkiYPbXNrjqj7hXWvGGuzMd5JqpS1V5ghrQivYQSNk","nonce":9,"parents":[],"ts":1793191688,"epoch":15,"seed":"bedf6dc40f7e539f","answer":"Cosignatures are collected in inlet, verified in pigment, and falcon names every witness. Each submission needs cosignature from 3 independent nodes that observed it arrive, and a node cannot cosign more than 36 submissions per epoch. A farm has to recruit observers outside its own infrastructure, thus paying parties whose interest is to report honestly. Repeating the trick 8 times costs 33 separate deposits and 26 separate proofs of work. 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":10,"sig":"59vgov6agUYq88wSar8pvvcDBUd3791hNFGioLkDsBBsP5P5BFDPo8SYEbdwD7ZtRB7Nbo5Dw3iwZuC4GHfpNurj"},"checkpointed":{"height":95323,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T18:32:53.230Z","checkpoint_height":95323,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}