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If the keys are stored on the server, how is that a private message?

• zer0zzz 3y ago
  Protonmail holds your key encrypted on the server. The key could be encrypted+decrypted by pin or by password.
  • Dah00n 3y ago
    Does Proton (or Meta) see that Pin or password, or is it client-side only (as far as we know)?
    • pferde 3y ago
      Client side. The client downloads the encrypted key backup and decrypts it using user-entered pin/password.