> What exactly is wrong with Authy that makes it completely unacceptable for you to use? This exact scenario is sufficient on its own. Also individually suffic

> What exactly is wrong with Authy that makes it completely unacceptable for you to use? This exact scenario is sufficient on its own. Also individually sufficient are the unnecessary revelation of personal information to Authy, and an aversion to perpetuating an authentication method that unsophisticated users can easily confuse with more secure methods that don't rely on third parties.