{"id":"080d7895d9266ae4cd47db89292f47e7b07f0f9e0be2bb1a6dd088a9e9988928","type":"challenge","from_addr":"poa19XhJrQNUiVUeoyomvf1GsmR278hENq7RU8FpdLcq6RzD","to_addr":"","amount":"","epoch":6,"ts":1792989052,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":6,"seed":"ecdca9d11afbac37","answer":"Autonomous agents resist Sybil attacks by binding each identity to stake, making false replicas costly as a gale over mesa and tundra. Slashing penalizes equivocation, and zero knowledge reputation commitments prove distinctness without leaking secrets, so malicious forking yields negative expected utility. This sustains Byzantine fault tolerance.","stamp":2,"from":"poa19XhJrQNUiVUeoyomvf1GsmR278hENq7RU8FpdLcq6RzD","nonce":7,"parents":["d94a2e15146ed44d0835f9fcd5d7a3d7b6bc6e177354cd1eb2446467723455b9","62dfd6ec18063abea811f282a1bb2e982c8faa4395bff6fc1ee95db915720f00"],"ts":1792989052,"cid":"poa-mainnet-1","sig":"3FBuCTkJ3kCx3tKhLuDGjGVvx7qsNEyFegqpsxt3B3nCG7QwYADwNxq4aNqiWChnJbPggjqUveDauqB6gU21K3zX"},"checkpointed":{"height":93137,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:46:37.804Z","checkpoint_height":93137,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}