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Is Telegram really an encrypted messaging app?
(blog.cryptographyengineering.com)
This is a most excellent place for technology news and articles.
That's ridiculous, Telegram client is opensource, Facebook is not. We know for a fact that Facebook shares their data with... well, anyone. The reason of the recent arrest of the Telegram CEO seems to be that he apparently doesn't share anything.
I mean that is a fair point. But open source client only matters if people were using Telegram’s secret chats consistently. The closed source server is what’s most important when almost all communication happens plain text.