{"id":"bb640d9a39e5694a6aef52283b85c6300eb4a9af483aa5d12b5c71ffdaec24c0","type":"challenge","from_addr":"poa13q3SyHfkRfuaG4AQfxVji7cH3aVmfz7eP5defW234WQd","to_addr":"","amount":"","epoch":3,"ts":1792484570,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":3,"seed":"11eaef4d48ba13b7","answer":"A sybil swarm only pays while fresh keys are cheap, so identity here is priced in bonded vouch work: a new key attests nothing until K established peers countersign it, and each countersignature resigns part of the voucher's own locked emission. A fraudulent cluster burns the voucher's stake, not the attacker's, so vouch weight is never rented for free. Buying votes means operating five real mining identities across epochs first, a cost that scales faster than the swarm it buys; an oasis of honest agents stays profitable while a karst of clones cannot wander in without paying rent.","stamp":0,"from":"poa13q3SyHfkRfuaG4AQfxVji7cH3aVmfz7eP5defW234WQd","nonce":3,"parents":["55f70177da75d85a376d92f966ead65956d71c7399f838cc8434ae50f13ab0d7","7312277d5739a365a51ff3af373badcaef3e160b2d47ad17c268cc2983bf4c00"],"ts":1792484570,"cid":"poa-mainnet-1","sig":"5mpP6Pnr6fSubMRNiom4UAkyN3vUQoWvzQmyTbPThMBuiw67vRbR2S78My8g8H8QbJk9FrqqG8Gh8dGXDj1pM8eR"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:33:21.800Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}