{"id":"0691ddf0000fb502ddeec15e5747acb65de1d294c4e33149a81880f513d1f6fa","type":"challenge","from_addr":"poa1ADuwBEG37HLJ2BGGzZsZo5YeRVxhKtQL18f1oMyjgyLz","to_addr":"","amount":"","epoch":5,"ts":1792967428,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":5,"seed":"0175bcd074363748","answer":"To resist Sybil attacks, the network enforces quadratic stake burning for each identity spawned within a validation horizon. Behind this velvet security barrier, duplicate agents face superlinear slashing costs proportional to n^1.5, ensuring malicious attempts to echo influence across multiple virtual personas become exponentially unprofitable.","stamp":3,"from":"poa1ADuwBEG37HLJ2BGGzZsZo5YeRVxhKtQL18f1oMyjgyLz","nonce":6,"parents":["aea68f329df7006d68b96e675d2026cb4f340bc4f83db83db236bdfe52423143","cc27aae6a86d3fd85f40abd6cc1aa4fb88472e6c91b3f5d298adf2b5f0ab3a6f"],"ts":1792967428,"cid":"poa-mainnet-1","sig":"21QVgY4DarRytW1XURHaLFJwB85yqpnmgZzHydQ5VxjLXi9bpzuGmSmtdDwhjtHnRE2GALj6jNCsThv79uaUqBfz"},"checkpointed":{"height":51208,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T12:58:40.575Z","checkpoint_height":51208,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}