In an age of constant surveillance and eroding privacy, there is increasing interest in secure messaging platforms such as WhatsApp and Telegram. While Telegram has gained quite a following, there is one feature that users have been begging for: voice calls. Now users' prayers have been answered. The latest update to Telegram finally heralds the arrival of secure voice calling, and it features an interesting key exchange mechanism: users need just compare four emoji. If the emoji match, the connection is secure! Audio quality is kept as high as possible not only through the use of the best codecs, but… [Continue Reading]
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