People always laugh at me when they notice I use a paper sheet with one time passes instead of sms notification, but this is the precise reason I do it. The cou

People always laugh at me when they notice I use a paper sheet with one time passes instead of sms notification, but this is the precise reason I do it. The coupling between your pc and your phone is too great to really rely on it for being the second phase of your authentication. I even like to check my bank account on my phone. Completely removing the use of sms as a second phase.