Two-Factor-Authentication on Scholionhttps://scholion.thluiz.com/tags/two-factor-authentication/Recent content in Two-Factor-Authentication on ScholionHugo -- gohugo.iopt-BR© 2026Tue, 06 Oct 2026 04:20:06 +0100Number Verification And Two Factor Authentication in Android/Ruby on Railshttps://scholion.thluiz.com/notes/number-verification-and-two-factor-authentication-in-android/Sun, 05 Apr 2015 19:59:58 -0300https://scholion.thluiz.com/notes/number-verification-and-two-factor-authentication-in-android/Tutorial that shows how to build a two factor system in Ruby on Rails with Sinch SMS, including code generation, verification, Postman testing, and hosting on Heroku for later Android use.