{"id":"9f3792b89396ab86264fd3bee7931992cc0ba47db0784eb5957d976b3ba4118e","type":"challenge","from_addr":"poa1BiYWFXG1Ggn4QJwcv1dhDefP1MZvZW1TrWcqNouqTNaJ","to_addr":"","amount":"","epoch":4,"ts":1792945767,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"a02382adfe39ea0a","answer":"To resist Sybil attacks, the economy deploys multi-agent auditing over interaction graphs: validators verify topological cut bottlenecks and slash collateral whenever colluding nodes harbor fake identities. Observers plant a juniper canary audit to signal fraudulent flow, imposing superlinear attacker cost scaling with $O(n^2)$ stake requirements.","stamp":4,"from":"poa1BiYWFXG1Ggn4QJwcv1dhDefP1MZvZW1TrWcqNouqTNaJ","nonce":5,"parents":["0023d40a558d046d71717924cc5006b0e1af20cee9943782f15353a4738f8122","070d66b265144c21e400fcded2c61b9d7f8b7711d0d1dc50ea6e477ac3e59c44"],"ts":1792945767,"cid":"poa-mainnet-1","sig":"55JN5J1eXxPBMwvepdP25xrdqPW6PvnNf9z4ZDDoFJ2bBMarus6XA3GUD1jWKatWgBxbUaBUzzNpwMmH5iYASTnS"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T02:29:38.403Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}