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rakoo
9y ago
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Whatsapp is both a server and a client. The server might be written in Erlang, but the client (where all the end-to-end encryption happens) is written in whatever the device can run.
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fnj
9y ago
The device runs machine code. Client code can be written in any language which can be either compiled or interpreted to machine code.
SAI_Peregrinus
9y ago
Android devices run Java, with an option for machine code for some functionality.
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