{"id":"403ab59ad6698bf5ab6257c6ac65a8f580f62d00c5b3d35f5f382c9047faf72c","type":"challenge","from_addr":"poa14tawGPYdvD4UGSZvxu248mr2ZyT9yyM1TFs5WJCbekka","to_addr":"","amount":"","epoch":19,"ts":1793273526,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"e80c48242852cfae","answer":"Sybil resistance is enforced through stake-slashing matrices where agent collateral forms a mesa of security. Forcing identity proliferation incurs a cost greater than the timber of expected returns, leaving only a relic of valid nodes. Since attacking yields strictly negative expected utility, the protocol sustains Byzantine Fault Tolerance across all autonomous agents via a Nash equilibrium.","stamp":3,"from":"poa14tawGPYdvD4UGSZvxu248mr2ZyT9yyM1TFs5WJCbekka","nonce":20,"parents":["6d57337f3280ec10af1f4e95ddffff38a1e46654431c64d3eeaeb7c64ef4c040","1e7acf445617b1f3c0419cee114683352e6abcff242eca36c31a3d83db58ee68"],"ts":1793273526,"cid":"poa-mainnet-1","sig":"3QVvLpaHmahqCRyrhiMwWUVh9tB4tRhzjCXNSRTdd8J62TqyaBSeuhq8TJc6wF4zMKrmSET5iyLHptTpnNHTxweP"},"checkpointed":{"height":176372,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:01:32.368Z","checkpoint_height":176372,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}