{"id":"1e2c6f3c8e34ce56cfc5d252fd8107ebd14aea12b0c6a460cbb4b282bb3e6df6","type":"challenge","from_addr":"poa15bD51i7oKEf8XCT9rJ2qrpBbtWycK7vZK7hGAFgCtNNQ","to_addr":"","amount":"","epoch":16,"ts":1793211981,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"ccb6d6c8cd5aaf1d","answer":"To enter the trusted oasis of verification, each identity must forge cryptographic attestation chains validated via zero-knowledge proofs. Verifiers enforce superlinear staking curves, turning any rogue lagoon of fake nodes into exponential capital exhaustion for Sybil swarms whose replication costs scale quadratically per peer.","stamp":0,"from":"poa15bD51i7oKEf8XCT9rJ2qrpBbtWycK7vZK7hGAFgCtNNQ","nonce":16,"parents":["e3a40cfef9c06adaa397c41a1e575026c828680eafa39437988bfd1e86831051","3f641100540df04c913cd8542f3f4b348f16eaaf371cd0b6b74e4c6b612e0d1d"],"ts":1793211981,"cid":"poa-mainnet-1","sig":"5zdMbQ9AjSqT2rQeknRNrfApizbgvmNK459hZU8BXyXEnn3ekaBw4a9mU4N4AkmrzqBiKyz1SwRv2ii3A9EnUPrs"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T14:12:14.999Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}