{"id":"1dfd91b145d9ac5c95966f66d25421137855e0bbc981ab14c4db030768a3f4a4","type":"challenge","from_addr":"poa14uzfCUuUtRAECDHfNxxDqxrApg9urv5mUwMWyPb4qBhh","to_addr":"","amount":"","epoch":11,"ts":1793104522,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":11,"seed":"63cd06f25969983e","answer":"Autonomous agents verify each other by validating cryptographic proofs where lagoon serves as an economic bond. An attacker attempting sybil attacks must stake collateral ripple across all instances, rendering multi-identity spoofing mathematically unprofitable. Each attestation requires state consensus, ensuring that nadir enforces non-repudiation.","stamp":0,"from":"poa14uzfCUuUtRAECDHfNxxDqxrApg9urv5mUwMWyPb4qBhh","nonce":11,"parents":["f55002aaab8ce444446565b5b0ab08f98dfd8b355d689d0f2481ed0d5692c515","3a58dc293861800c3261bbc69060ec41ceaed0e815842df1465a59dcb372a5fe"],"ts":1793104522,"cid":"poa-mainnet-1","sig":"3Ugqpg3rPJmeyWDzHTRd23nSZqRjUgBUgYDRK2kqR8YCywTYLKTfrjg11nnPzEpigtGZhYL1ANLVD17KbVLwEmt4"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T14:07:00.093Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}