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by suspended_state 200 days ago
It's possible that at some point in the past they used TLS, but I believe that MTProto(0) is used now for any communication through Telegram.

(0): https://core.telegram.org/mtproto
1 comments
jazzyjackson 200 days ago
O no you're right, I was going off the fact that it's just an encrypted tunnel from client to server, doesn't hide any message content from service provider the way people might expect when they hear "encrypted"
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