Do we really want to support an ecosystem that relies on an identifier so easily controlled and identifiable as a phone number? Building systems around legacy systems such as PSTN, and newer proprietary ones such as Gapps may be in Moxie's words, "almost a sure recipe for a successful consumer product", but it also increases the number of actors you need to trust therefore making security more complex.
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[ 2.8 ms ] story [ 16.9 ms ] thread[0]http://www.theregister.co.uk/2016/05/10/ss7_mobile_chat_hack... [1]https://www.bellingcat.com/news/2016/04/30/russia-telegram-h...