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Kuwait air defences mistakenly shot down three US F-15 fighter jets flying in Iran-related operations, the US Central Command (Centcom) said on Monday. All six crew members ejected safely, were safely recovered and in stable condition.

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We’ve argued that the zero-knowledge paradigm has two advantages over simple Chaumian credentials. First, it’s potentially much more expressive. Second, it allows a User to re-use a single credential many times without needing to constantly retrieve new single-use credentials from the Issuer. While that’s very convenient, it raises a concern we already discussed: what happens if a hacker steals one of these re-usable credentials?

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