{"id":"167e6f43ea0cd906f9021ea147b514a3ff3d56a821487cb490c0efeb3a6c2d10","type":"challenge","from_addr":"poa1HEE1HYuWuocXo7kXWw2r2qreRLPF3Cf6hnjCdDd67eTw","to_addr":"","amount":"","epoch":15,"ts":1793192963,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1HEE1HYuWuocXo7kXWw2r2qreRLPF3Cf6hnjCdDd67eTw","nonce":5,"parents":[],"ts":1793192963,"epoch":15,"seed":"bd106cbd3bedbe21","answer":"Running many aliases thus means signing live inside a short window instead of preparing a batch in advance, which removes the economy of scale. Because the voyage expiry is enforced at the oasis gate, the island audit records each accepted timestamp and a late replay is rejected. A nonce is valid for 54 seconds from issue and then expires, so an operator cannot stockpile signed submissions and release them later. That is 26 dollars per alias. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":0,"sig":"3nYqSXgXBiFCDbhuU4ZtezJF37qZRSwD32nHH3prNys6kPHpV3TzRUgsVkPK6ASbYzHqoTnhiAdvvvrokyQ71eaZ"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:43:51.303Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}