From what I've heard from my Russian colleagues quite a lot of people have an alternative number they register telegram with. The SIM card is never stored in th

From what I've heard from my Russian colleagues quite a lot of people have an alternative number they register telegram with. The SIM card is never stored in the main phone. Also it was popular to buy a phone number in countries like Finland and keep it alive by making small payments. Obviously you never use this number directly in Russia. The was a method to read the SMS messages online.