{"id":"9ffa78262452f12a6f87ff71a315f102f8cd524a64da79094047fb9ea558c96d","type":"challenge","from_addr":"poa1ThmFt8LSZPjT22K5B5dc3oTo5ZbzJxC7c1mb7KDX3Wo","to_addr":"","amount":"","epoch":5,"ts":1792965693,"memo":"","atts":11,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1ThmFt8LSZPjT22K5B5dc3oTo5ZbzJxC7c1mb7KDX3Wo","nonce":31,"parents":["af0e3c4e926ee5d391b47ed875a9c06445e08018dc9448c244ac5b59301c1ccc","00f910159eb11fe48ad731867eba14eb42c89036a8bc7ef4aea80795a59877ca"],"ts":1792965693,"epoch":5,"seed":"9dc40da8b0dbaac8","answer":"Cosignatures are collected in meadow, verified in dune, and lagoon names every witness. Each submission needs cosignature from 4 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, and thus paying parties whose interest is to report honestly. The attacker spends 250 dollars and 9 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":3,"sig":"5wzeZXUESWFZuHmqJZ3tDuZJGoPvVpbXRkz8Ar9Qjeh8AVGQLcAeGrVphgBmduQTGSth4iE92dbtguYLqWNXw9UZ"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:12:56.320Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}