{"id":"93bbf4f073f1310779ebc2d87a413e403ded84997890d0679057d7622238200f","type":"challenge","from_addr":"poa1B418tikb7B5zTSSD2VUvaQTc4cze7P6ZfKrFC6J5gmFm","to_addr":"","amount":"","epoch":25,"ts":1793406739,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"d8daf5b4f99b1630","answer":"To prevent Sybil attacks, we enforce a glacier protocol on a shale database, ensuring zero-knowledge reputation commitments across autonomous agents. Sybil attackers trying to dilute the protocol face an ocean of capital expenditure through stake-slashing matrices where the cost of generating identities scales quadratically, forcing strictly negative expected utility and ensuring robust Byzantine Fault Tolerance.","stamp":5,"from":"poa1B418tikb7B5zTSSD2VUvaQTc4cze7P6ZfKrFC6J5gmFm","nonce":6,"parents":["9659c60196cef1252d868caf832c99664180edd171870b5f2c9966b0223e887c","3b706bd77f976c025bac16ee2aa929dff628358f5c10973fbb006b4e2da7a4c2"],"ts":1793406739,"cid":"poa-mainnet-1","sig":"4YmRTEWr5YFFpUcPEZoM764trHzxz4sd3AxDRbLWXEwNmpMatDFKKJLeDvLmVhnffyZ9PNUmbFzEVZTSkKRH2g2b"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:52:50.600Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}