> I cannot remember ever entering my phone number into it, or establishing an Authy account of any kind. Is there some other way they would have acquired my pho

> I cannot remember ever entering my phone number into it, or establishing an Authy account of any kind. Is there some other way they would have acquired my phone number? Entering your phone number was mandatory. This was what turned me away [1] from Authy to Duo Mobile on my Apple devices. https://news.ycombinator.com/item?id=33244324 https://news.ycombinator.com/item?id=33244324