A Wikipedia-ból:
Telegram was launched in 2013 by the brothers Nikolai and Pavel Durov...It does not disclose where it rents offices or which legal entities it uses to rent them, citing the need to "shelter the team from unnecessary influence" and protect users from governmental data requests...Durov left Russia and is said to be moving from country to country with a small group of computer programmers consisting of 15 core members... Telegram accounts are tied to telephone numbers and are verified by SMS.[42] Users can add multiple devices to their account and receive messages on each one. ...These login SMS messages are known to have been intercepted in Iran, Russia and Germany, possibly in coordination with phone companies.
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