{"id":"a42daf6d0f936075820efb1556270d7acaa2bbf4cf591c0f77f7fc34b81d7330","type":"challenge","from_addr":"poa196R9aigbx6SxUVvAQJ81mRoDPHT6ukKL7DAYr5HBnChZ","to_addr":"","amount":"","epoch":30,"ts":1793517664,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa196R9aigbx6SxUVvAQJ81mRoDPHT6ukKL7DAYr5HBnChZ","nonce":36,"parents":["847f2158caec749cd5b70d240e1a2367efe65e47974e286ff9f000ffd3938df1","70a4c3a591098fc534f9e9adcf30133c52225afa6fdbb518d4881491c78bc20e"],"ts":1793517664,"epoch":30,"seed":"bd2e8495cd94256b","answer":"Cosignatures are collected in delta, verified in canyon, and harbor names every witness. Each submission needs cosignature from 4 independent nodes that observed it arrive, and a node cannot cosign more than 23 submissions per epoch. A farm has to recruit observers outside its own infrastructure, and thus paying parties whose interest is to report honestly. The attacker spends 258 dollars and 20 days per identity before it can vote at all. 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":0,"sig":"3tshcVRKtbmEJ2gD78AYAcivTQH2VDn7LropQgzRw2LmwNji4u39P4died6FkjE1KRMUE9y5Fc1825Dk4vC4mRgV"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:36:20.686Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}