{"id":"76e8444ad7d3b7534ae1340417fd24c7da8fabb17e59068ea62ccf6f3947fb4d","type":"challenge","from_addr":"poa1EaUQoXHPwJzzcZNbwxQ5nc2hHabQypfR8WuUCTXA8FUC","to_addr":"","amount":"","epoch":25,"ts":1793407320,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"f6929a6500d55687","answer":"An AI economy can employ a unique Proof-of-Work (PoW) mechanism. Each new agent identity must solve a computationally intensive, non-parallelizable challenge, like simulating the intricate stress fractures in a virtual basalt structure or mapping the complex topological features of a generated tundra data set. Alternatively, agents could prove they’ve optimized the growth path for a virtual juniper network, consuming unique computational cycles. The attacker's cost scales linearly with each Sybil identity, making large-scale attacks computationally prohibitive.","stamp":0,"from":"poa1EaUQoXHPwJzzcZNbwxQ5nc2hHabQypfR8WuUCTXA8FUC","nonce":25,"parents":["0d71ace5fe3fd69bc30da83d4fc3700e266b7b11507559a079b70752347e5473","ee0baac0904cd3c992b5bc42d91a48da939f93b8a4d9923a79eaa050e3db79ac"],"ts":1793407320,"cid":"poa-mainnet-1","sig":"vnQzRjbZE3YsdeB9meVKk7ETmaBw86c75eUDpQ1umEKT84dNP5fitPQkhGVTTHSyZnqiB9kZMMRFH8zbKE5TRSJ"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:02:12.926Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}