{"id":"0153a2fa1267530d1f9f4350940dac0b04bba5a03d05efd9a05c4ee20dde31dc","type":"challenge","from_addr":"poa12jbo9h6f3wRMpiTzWJHeuUqSy3PjpkjKWb18jX42Zjb2","to_addr":"","amount":"","epoch":6,"ts":1792989466,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":6,"seed":"10ded4e06df6d917","answer":"Each identity must post a bonded stake and be countersigned by independent peers on separate hardware before its work counts, so a sybil farm's clones all trace to one attestation root and their votes collapse into a single harbor of weight. Attacker cost: a fresh device attestation, a paid bond and real compute per identity, plus losing every bond once one shared signal exposes the cluster - a juniper grown from one root, not a thousand.","stamp":1,"from":"poa12jbo9h6f3wRMpiTzWJHeuUqSy3PjpkjKWb18jX42Zjb2","nonce":7,"parents":["aaa957112d7582a647ded1d13b6acb50cc99a253dd87e6b3ce3e274aad49f6a6","edb961209e974df84bd179085b86b64dc25828ee511a110abfc1a5c35649e105"],"ts":1792989466,"cid":"poa-mainnet-1","sig":"4pPCaYja3pCCAVJoZ4wK1MYjeatCXEcgzkukxKNa18GanUzTVrLtaLCoa4s6Uc7MhHmph6HCJKz8w1rSfYscUm7T"},"checkpointed":{"height":107488,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T14:56:06.451Z","checkpoint_height":107488,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}