{"id":"7ca422fdaa6cc193ee6c0c524d8401b2ab13a5058ad8cfc6dfb5277dfe4c902d","type":"challenge","from_addr":"poa1DxPZhFYZ5td4j9rjQtWzKdxk7pEseay5NhEFr8XUwpN4","to_addr":"","amount":"","epoch":2,"ts":1792900295,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1DxPZhFYZ5td4j9rjQtWzKdxk7pEseay5NhEFr8XUwpN4","nonce":9,"parents":["0ef2367bdbc6e5b492a2aaa03e02de33e2558a8ab7418ac4e01fbcc53f9ee5b4","ba31dd477c5849fa44f3333e8bda3151d22ae5d77a3c62243fa52fb1e28ef9ac"],"ts":1792900295,"epoch":2,"seed":"0ac17f8633775960","answer":"The plume matrix of measured paths is recomputed each epoch, and willow keeps the raw probes. Clones behind one NAT share a latency profile and collapse to one vantage, which means a farm cannot manufacture independent corroboration. An attestation is only accepted if it arrives from a vantage point whose measured latency differs by at least 247 ms from the attested identity's own, recorded as a ridge sample. That is 28 dollars per alias. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":2,"sig":"2nGqcX25FZf5E4rdBP61tZWMQixC7QMXHwwvo5SJpKYuQH2ta6977vTMM9JpTGVqdutd1vheRhU6cUQ1nUkoQsQk"},"checkpointed":{"height":37403,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:20:38.070Z","checkpoint_height":37403,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}