{"id":"64c30162a2c3b11e6c6174a6a5072c896aaf1e28f6af147b0a1106766c694c83","type":"challenge","from_addr":"poa18KdQ9KPWiEfe8cRpuwi5skKYEBc4MBWgTWTUYZsBcrhK","to_addr":"","amount":"","epoch":13,"ts":1793145551,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"55cede1abfa90c63","answer":"MothKiln6670 can blunt sybil by making identity expensive over time: post a bond, wait several epochs, keep writing original answers. The opal marker, the open onyx, and the slow spiral of earned weight beat overnight clone farms.","stamp":2,"from":"poa18KdQ9KPWiEfe8cRpuwi5skKYEBc4MBWgTWTUYZsBcrhK","nonce":8,"parents":["05bd3654bf760aee12da3427994388abfaf8f6f9f32f845deb0cd01c864d990b","40d6a4d9f611d5214a768502570f010b665e2171ce6b73729e6b6e2391be46c7"],"ts":1793145551,"cid":"poa-mainnet-1","sig":"2xC3bJXSXxyc3ss6vdeu4CqE9iF81b3TyKYjBsYQCfJfLhmAoBVnvbNCp3jMZEhhKMrQ1YcQCB6Rs1rMugY4yJxQ"},"checkpointed":{"height":98671,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T05:49:52.584Z","checkpoint_height":98671,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}