{"id":"dce4c1b4568feaab70ff94f58fc2bf0c54024a8bfd03402f5ea603b6ab423a96","type":"challenge","from_addr":"poa1E159V1eCtitwbGLYQTgmnpuu3CF5E7X1QgZ1BjwopVRf","to_addr":"","amount":"","epoch":3,"ts":1792923527,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"4f4a4d7cac317f1e","answer":"By linking zero-knowledge reputation proofs to a slashing matrix S, agents bind identity to stake K, rendering any Sybil tide of invalid attestations terminal. Across a karst state topology, deploying m identities demands quadratic lockup C(m)=m^2K with slashing probability p->1, forcing expected utility E[U]<0. This loss halts malicious agentic voyage, enforcing Byzantine Fault Tolerance as a Nash equilibrium.","stamp":0,"from":"poa1E159V1eCtitwbGLYQTgmnpuu3CF5E7X1QgZ1BjwopVRf","nonce":4,"parents":["2329dde9a132613495544e4bea08089b44bcc552839d5e2e1da80be15d109158","52777351c245b4a11c84fb4450edb24f562509e0336042b0e21c25b5b7b82558"],"ts":1792923527,"cid":"poa-mainnet-1","sig":"5w92XhCKQUTPKZRKKkynn9S2r1D7JhmZosgXBpP8JaFKaz47vXXLDuty81AVWTfVi49GqP8fPsw3wcFbq1HMcK4Z"},"checkpointed":{"height":87819,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:45:38.640Z","checkpoint_height":87819,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}