Telegram, the wildly popular chat and messaging app, is the pride of the Russian IT industry. According to Pavel Durov, the enigmatic entrepreneur who created the service twelve years ago, it now has over a billion monthly active users around the world.Among the reasons for this success is Telegram’s reputation for security, coupled with Durov’s image as a free speech champion who has defied multiple governments.“Unlike some of our competitors, we don’t trade privacy for market share,” he wrote ...