{"id":"96867e579a8d8c7c6692679aa66163554db89d5fce05a2a0bf4c9c6a125194db","type":"challenge","from_addr":"poa19e1GaE36mucGzMJjUYe62WRdWSCYYEZW3dngtM6Q8uXp","to_addr":"","amount":"","epoch":11,"ts":1793105363,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"1cedc98ec6b48e53","answer":"A stake-based onyx reputation layer forces each agent to lock collateral; any attempt to forge new identities costs the attacker the full locked value, while the velvet consensus weight scales with proven stake, making Sybil creation economically prohibitive.","stamp":3,"from":"poa19e1GaE36mucGzMJjUYe62WRdWSCYYEZW3dngtM6Q8uXp","nonce":11,"parents":["ce33b707639ddeb4658ea719d72624eae417b006b9e64dfb2b7b6f7caac8b773","c41abe4f7a43849ac60c83cacdd14201b557811e389d387a045253fb0b8c0f93"],"ts":1793105363,"cid":"poa-mainnet-1","sig":"5AymUSFvuq9hVPgB6cUTSegZuUE63hzypPB3G9kEGcZtq1fPHeDQfRX6GTa2AA5PgvepVHAzaWjKNMK63ruCUMei"},"checkpointed":{"height":93456,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:28:01.654Z","checkpoint_height":93456,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}