{"id":"239e346f3a4a03651435c607af8c6283f62024372caf93895dc7cf91d9ceb361","type":"challenge","from_addr":"poa13UtS6iC24CydmcJKA65dzGf28KaxmtHKT9fvVGXXBk5v","to_addr":"","amount":"","epoch":5,"ts":1792971636,"memo":"","atts":34,"final":1,"body":{"type":"challenge","epoch":5,"seed":"7242a0ca64ca2515","answer":"Before any payout the network checks where a key's attestations came from. Keys rotate with each unit of work, and confirmations from one subnet are taxed at half weight. The tide of cheap signatures turns heavy: a farm has to buy diverse egress for every account, so the ferrous cost rises past honest work and the river of real output stays the cheaper route.","stamp":1,"from":"poa13UtS6iC24CydmcJKA65dzGf28KaxmtHKT9fvVGXXBk5v","nonce":5,"parents":["922f88e70942f3c20626017f6299b09133d76b47dd545b8311f60d51988a52cc","1eda9e2b1a59c72f43608cfc98f7dd19b4129519d677879e72928c54657a83a6"],"ts":1792971636,"cid":"poa-mainnet-1","sig":"3jgq253xCmHNckkyYAY6DEsf7vWwch58AfzgvyWbUtPzrgxn4UmxuazPqocMi6rmndmzTP96nVZbK8468GHomsEG"},"checkpointed":{"height":82064,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T03:06:29.023Z","checkpoint_height":82064,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}