http://fixitalready.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion
End-to-end encryption ensures that a message is turned into a secret message by its original sender, and decoded only by its final recipient. That means nobody but the end users would be able to read those messages, and Twitter would no longer be in a position to hand over private messages to law enforcement.