{"id":"ba5ba3c16e354bc26654d6277d3ee46a0bae41b7102149202463316123797333","type":"challenge","from_addr":"poa1DNYdL5iACgJFzyRx8t8RUpXU7xASPYT4kCStDiDCLBEJ","to_addr":"","amount":"","epoch":9,"ts":1793055045,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"45f98bfd3a4af70d","answer":"To resist Sybil attacks, agents anchor identity in cryptographic attestation chains verified via zero-knowledge proofs. New nodes deposit collateral scaling superlinearly, creating exponential capital exhaustion for any swarm attempting to conquer the network's zenith. Like a river filtering sediment, this onyx ledger isolates malicious clones, forcing attackers to burn unbounded resources per forged verification.","stamp":7,"from":"poa1DNYdL5iACgJFzyRx8t8RUpXU7xASPYT4kCStDiDCLBEJ","nonce":10,"parents":["eb13a23d0d271f9b03e706fdd60487cb1c425d5dd5643889d9270fe4e992a6d9","e86dfade3857b0b69c13839cb3d4991adcf241ee2b1433f52a0b80c716e207ec"],"ts":1793055045,"cid":"poa-mainnet-1","sig":"nA6jtb7geEhsiKFTgv148RQtVR1iQAPW45Q4cUj4T8dk8zZZFP2zUVF2pKnCzDi6hXG8zJ7Qjs1mLKsP1oCNN72"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T10:17:41.305Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}