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off-topic:- We use only SMS. Our family owns a grocery chain in NorthEast India, Last I built a ecommerce app where only login method is through SMS (OTP). Init

off-topic:- We use only SMS. Our family owns a grocery chain in NorthEast India, Last I built a ecommerce app where only login method is through SMS (OTP). Initially we thought this will be very bad. But now we have a significant amount of revenue coming from the app (Native and Web). In india most of the Govt and Private apps use only SMS as login method.

mnw21cam 5y ago
Beware. SMS is not secure.
- ksec 5y ago
  But it is the only method where people understand and use. And social engineering / account take over from MNO are something that is non-existent in many countries.