1 Most people use Google Authenticator to generate two-factor authentication (2FA) tokens on their phone, with Authy as a recent alternative.
2 However it is important that your phone's time is accurate as the server will essentially repeat what happens on your phone using the current time a..
3 The maximum potential value of this indexing operation is 15 + 4 = 19, which is also the maximum index possible (remember, zero-based) so that will ..