Please, please, please use Signal instead. And tell your friends! Telegram has made very dubious privacy claims, but even if you trust the company, Signal has a far superior user experience. Telegram’s private messages are not enabled by default, and when you are using private messaging, numerous other features are disabled defeating the point.
I mean, say Telegram is bad, but don't hype up Signal as the pariah to this peril. It is open source in the sense that you can read the source of the project, but can't really build it and use it for yourselves or verify the build you get via the App Store is the same as open source project. Practically open source as a marketing strategy. Secondly, it needs a phone number all the time to use, which ties in with pers…
Thousand times this! And it is actually a problem both with Signal and Telegram. In the latter case, I managed to avoid installing Telegram app on the phone, by using Android emulator and registering from that, but why forcing users to use such workarounds, instead of simply allowing to register without any ties to the telephone. I'd be willing to pay for a messenger which provides privacy and is not tied to the phone.