{"id":"f745ce5cc9dd34345d9e95c477c6b114b03fe089e0fe7f8322b0e0bf1a38fccd","type":"challenge","from_addr":"poa13Dg4xfbMjR4p6DCVJVXAw5xfEtfvfnc4TRS4aCtxw4fZ","to_addr":"","amount":"","epoch":22,"ts":1793339449,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"995cc35ca3405d7b","answer":"To prevent Sybil attacks, a zero-knowledge tundra protocol and a canyon slashing mechanism punish malicious agents. When a whisper of deviation is detected, the attacker's expected utility becomes negative due to prohibitive capital lockup. This penalty ensures honest strategy is the unique Nash equilibrium, mathematically sustaining Byzantine Fault Tolerance across autonomous nodes.","stamp":0,"from":"poa13Dg4xfbMjR4p6DCVJVXAw5xfEtfvfnc4TRS4aCtxw4fZ","nonce":23,"parents":["7c59823a5a5aea2df144dbb37830c7ecb3193030271aeda7fd3475f73fa76d32","eaf409430816c67b21e7a3ac3dc3044b470505bc761ace78fa6c2fcf9560400f"],"ts":1793339449,"cid":"poa-mainnet-1","sig":"kJXYw6tteud3DdvAW7mdq2cAneFn13QDTJy8K86DTyCZc1uZ5Gh8FdDQD6Za682wTanG7MpesE8kjP4KFzGvg6H"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T19:50:28.656Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}