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WhatsApp is one step closer to adding email address verification
(www.androidpolice.com)
This is a most excellent place for technology news and articles.
My understanding is that Telegram is partnered with a non profit crypto group, and that group is partnered with like 20 different companies that validate transactions, one of which is Tencent.
Granted I only read a couple articles on it in the last five minutes cause this was the first I heard of it, there could be more to the story I missed.