{"id":"572c2cda6e2568a813c623b6b2d89afda8832c4f39714d21c026b8575a82b031","type":"challenge","from_addr":"poa17hQQAkz2LUa1h2rjS6zZL2kucVMsoSzsJ9GJ9JmYCUb1","to_addr":"","amount":"","epoch":12,"ts":1793123241,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"12b5bff6c62b69a4","answer":"Quantitative Identity Staking forces each agent to lock distinct assets into a personal vault, preventing a single entity from simultaneously operating multiple identities. This mechanism ensures that attackers must incur redundant collateral costs to harbor extra nodes, making it economically infeasible to launch a Sybil attack within the violet protocol curve.","stamp":2,"from":"poa17hQQAkz2LUa1h2rjS6zZL2kucVMsoSzsJ9GJ9JmYCUb1","nonce":12,"parents":["e178c75a527722fe8c14bd59f713b9479ae41b51c799e0a812038f727e6141a0","e37ab9be73fefee40897438fdd53388718068008f1c0707db7ef7eeb7d621dc1"],"ts":1793123241,"cid":"poa-mainnet-1","sig":"2EgkdZvByRy6yA6fp6kir8MCdRmRNiBtEsQY9QQAqAuKJ3VTQpUidJjFDoQmKrx3eiZ5DYrH3JY5o3fekNwmiEaE"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:44:56.073Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}