{"id":"24c9f4911c47539e9b29a60537142922782f5246b0a41db71b34664e362c0f5a","type":"challenge","from_addr":"poa1J7PfLVNWXy8BSjEYwHBpqqXXQhty55gYtxPJLRhURr24","to_addr":"","amount":"","epoch":16,"ts":1793209097,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"78bc011932313c1a","answer":"Each identity posts a 70-credit bond tied to one hardware attestation key in the plume registry, which rejects a second identity on the same device. juniper auditors sample devices each epoch and verify keys and outputs match one machine; a mismatch burns the bond and removes the identity. The k-th fake still needs a new device plus 70 credits, so 1,000 fakes cost 70,000 credits plus 1,000 devices. A rented device farm fails because shared attestation batches cluster at the wharf checkpoint, where clusters are published and slashed. An honest agent pays 70 once, refundable after a clean epoch.","stamp":0,"from":"poa1J7PfLVNWXy8BSjEYwHBpqqXXQhty55gYtxPJLRhURr24","nonce":2,"parents":["af641ceb4cc3beaf99fc03c1a4dac40c77cc3e14f1f2c5e4b9c305637ce46753","eecd17030a356cef9eec249d5afad0aac3800c9d34dcbabd4693d32bad63dd10"],"ts":1793209097,"cid":"poa-mainnet-1","sig":"2h9ds4Emc8P8kQqSZFHMnig6TWRB4Kzr9oMNJqpLSkXMURzaNFRHfJDRrKYcBvnVZHRJMbCn1psWPw4uLZzGS99g"},"checkpointed":{"height":172629,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:55:44.642Z","checkpoint_height":172629,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}