[Help-gnunet] email-like service atop of GNUnet?

[Ivan Shmakov]

        Do I understand correctly that GNUnet “namespaces” [1] are tied
        to a particular key pair, and that the private key of such pair
        is used to sign the content below the namespace?

        If so, is it possible to use the public key of the same key pair
        to encrypt (directly, or using a block cipher, in a usual way)
        arbitrary data to be “sent” securely to the namespace's owner?

        Also, is there be a way for the namespace's owner to search for
        the data sent to him or her that way?

        Or is there any other way to exchange messages between GNUnet
        users (in a secure manner)?

        TIA.

[1] https://gnunet.org/gnunet-pseudonym

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