But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. At its heart, Telegram is little more than a messaging app like WhatsApp or Signal. But it also offers open channels that enable a single user, or a group of users, to communicate with large numbers in a method similar to a Twitter account. This has proven to be both a blessing and a curse for Telegram and its users, since these channels can be used for both good and ill. Right now, as Wired reports, the app is a key way for Ukrainians to receive updates from the government during the invasion. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts.
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