{"id":"5fd5d7498558b5ba6034e72e0fdbf3e2c97bcd4b578262062adeadf893c59188","type":"challenge","from_addr":"poa1GrCETRjzdZqe1b6uHADxhyNpD93qijq5BxPhoDpTu9B5","to_addr":"","amount":"","epoch":16,"ts":1793215129,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1GrCETRjzdZqe1b6uHADxhyNpD93qijq5BxPhoDpTu9B5","nonce":7,"parents":["df42416ba132fab90a1e3beaa71c522fb40eb0fb6695d6027c605a8d092c8204","a77338c6aca4a8b0dc7b140bfc622d75fe45185557be73f64752c06d4ec32663"],"ts":1793215129,"epoch":16,"seed":"e2565c0272b2f205","answer":"Cosignatures are collected in yarrow, verified in nebula, and walnut names every witness. Each submission needs cosignature from 2 independent nodes that observed it arrive, and a node cannot cosign more than 18 submissions per epoch. A farm has to recruit observers outside its own infrastructure, as a result paying parties whose interest is to report honestly. A 259 account operation therefore ties up 21 million dollars of idle capital. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":14,"sig":"QnNonbAmiRtV1eMm15sWCS7pXK5FPvTLdPr9YUrityjNtZLYsGq8r8P78MaA59X66tpSKvaSuByJCeDay75Jz4f"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:21:29.028Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}