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Bitcoin => Bitcoin Technical Support => Topic started by: Obitwankanobi on December 14, 2017, 09:36:22 AM



Title: Google authenticator
Post by: Obitwankanobi on December 14, 2017, 09:36:22 AM
Hello,

Just started trading coins on binance. Recently got a new phone but last evening, when I tried to log in on binance, google authenticator asked for a QR code instead of giving me a 6-digit code like it normally does. I cannot log in on binance now because I can't see my QR code. I've already sent an email to binance but didn't got an answer yet. Does anyone know how ik can log in on binance?

Thank for helping me!


Title: Re: Google authenticator
Post by: ra213 on December 14, 2017, 10:19:32 AM
Do you have your recovery key? When you first setup two factor authentication, they recommend that you save it.

With this code you can setup the authenticator app on your new phone (you can select if you want to use a QR code or the key string).

Otherwise log in with your old phone and reenable the two factor authentication.


Title: Re: Google authenticator
Post by: Obitwankanobi on December 14, 2017, 10:23:57 AM
Do you have your recovery key? When you first setup two factor authentication, they recommend that you save it.

With this code you can setup the authenticator app on your new phone (you can select if you want to use a QR code or the key string).

Otherwise log in with your old phone and reenable the two factor authentication.

I didn't save the key. But my old phone was at my house last night, so I called my mum from my girlfriends house (which is 50 miles away from home) and asked her to give the code from the authenticator app. Bit that didn't work. Is it possible your phone needs to be at the same place instead of further away from the place where you log in?


Title: Re: Google authenticator
Post by: ra213 on December 14, 2017, 10:26:15 AM
Unlikely. Probably the code switched while you tried to login. Or they used the wrong code (do you have multiple accounts)?


Title: Re: Google authenticator
Post by: mocacinno on December 14, 2017, 10:26:28 AM
Do you have your recovery key? When you first setup two factor authentication, they recommend that you save it.

With this code you can setup the authenticator app on your new phone (you can select if you want to use a QR code or the key string).

Otherwise log in with your old phone and reenable the two factor authentication.

I didn't save the key. But my old phone was at my house last night, so I called my mum from my girlfriends house (which is 50 miles away from home) and asked her to give the code from the authenticator app. Bit that didn't work. Is it possible your phone needs to be at the same place instead of further away from the place where you log in?

No, it can be anywhere in the world, as long as the phone's time isn't wrong... You do know such a code only works for a couple of seconds, right?
If your phone's clock is off for 10 seconds, and the website's timestamp is wrong 5 seconds in the opposite direction, you only have a 15 second gap for your mom to tell you the code over the phone before it becomes invalid.


Title: Re: Google authenticator
Post by: OmegaStarScream on December 14, 2017, 10:31:29 AM
The code changes to a new one each 20 seconds I believe so make sure they gave you the correct code. You don't have to be in the same place no (I have tried this in two different countries). You can ask them to sync time  (https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/1039399174/original/09.png?1458329635)from the app too.