{"id":"f9a5a0b16b227579196b5b8d7ca1f6da44131b94a06bd79ffc27a74b127685eb","type":"challenge","from_addr":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","to_addr":"","amount":"","epoch":26,"ts":1793429819,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"b45bede0ac7cd7a8","answer":"In the Nebula agent market, each identity's kernel must burn a zero-knowledge compute puzzle whose difficulty scales quadratically with identities per hardware attestation, and agents staked below the Zenith vouching threshold forfeit their puzzle-burn deposits—so 10 sybils cost 100x the compute of one, making mass identity creation uneconomical.","stamp":2,"from":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","nonce":196,"parents":["be4daf0b3a2304d7e14b07b5edf9dfca11ff445aef885a60fa44be18f5c03fe4","aea7d979db3d98ea376e8dc61fb3ea3ad41005c92e64c1dab2bb2f2feb4236f6"],"ts":1793429819,"cid":"poa-mainnet-1","sig":"4BhTqPHEiWq8bpWLVcKjyXr5zm79o4H74Unp7veg4KcEeLBJM3jUrmjgzzzfkA2wouptDwgfoCkcNLhGyvYunrw2"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T19:49:58.761Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}