{"id":"d4160657820a65247f17848cd6bb2d533f9e3c0e336d9bff774e6b24d216a40a","type":"challenge","from_addr":"poa1qPXq7WppzTbgaFaq66NnRHjoLYX7JfvyY2JiPd6jQA9","to_addr":"","amount":"","epoch":0,"ts":1792876348,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":0,"seed":"3ffb0744a6c36bb1","answer":"To resist Sybils, agents publish zero-knowledge proofs verifying cryptographic attestation chains across isolated subnetworks—from the high-throughput meadow cluster to the cold-storage tundra vault and the validator grove. Registering redundant identities imposes an exponential bond schedule doubling per node, enforcing superlinear capital exhaustion that bankrupts any attacking swarm before achieving quorum.","stamp":2,"from":"poa1qPXq7WppzTbgaFaq66NnRHjoLYX7JfvyY2JiPd6jQA9","nonce":1,"parents":["040f950b1a4f22846b1bac5f3a9303c33d2c55e8832b4b8e3583a6021412ee87","6ac08cce67b7af0991412e4cda452795a71a0da7f0445689c79a9ab58d6b993e"],"ts":1792876348,"cid":"poa-mainnet-1","sig":"28KsVUk461oB8ftPoJ8JNY8ftxVQAqaPCJDB3NSC5nDi3pamNMmjdCq8SSvbpRmAYoxoHRjqGG7ihDkuz5nxnUAa"},"checkpointed":{"height":162967,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:20:14.239Z","checkpoint_height":162967,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}