In this article, Blogtienao will tell you how to install and use Google Authenticator on any device and how to recover the code.
What is Google Authenticator (GA)?
- One of the most famous security applications comes from the giant Google.
- Generate a random code to verify the user's identity every time they log in to different services (social network accounts, exchanges, iCloud, ...)
- A 6-digit code with a usage time of 30 seconds. Every 30 seconds the code will be refreshed. It is this feature that helps accounts be secured with the highest level.
Why use Google Authenticator?
With the current development rate of KH-KT, it is extremely easy to attack and steal an account if that account is only secured at normal levels, including the fact that your account is not secure. you are protected with two-factor authentication via SMS.
That's why in 2010, Google launched the Google Authenticator app to take security to a higher level. Since then, this application has been widely used in all circles.
And if you are a trader or holder, you probably don't want one fine day, you log into your account and find that the balance has returned to 0 right? And installing Google Authenticator for your exchange account is the first, most basic and extremely important security step for you.
Besides the security application from Google, there are a number of other two-factor authentication software such as: Lastpass Authenticator, Microsoft Authenticator, Authy, Yubico Authenticator, ... but in this article, Blogtienao only mentions Google Authenticator because this is the most popular and easiest to use application, the installation is also extremely quick and convenient.
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Instructions to install Google Authenticator
Depending on the phone you are using, choose how to get the Google Authenticator app on the Apple App Store or Google Play Store (it's free).
- Link to download Google Authenticator for Android phones
- Link to download Google Authenticator for iPhone
After downloading and reading through the initial basic instructions in the application, you will start adding your first account.
Instructions for using Google Authenticator
Activate GA for gmail account
Step 1: Access your gmail account.
Step 2: Select menu icon in the left corner of the search box > Select "settings" > Select the correct account you are logged into > Select "manage your google account"
Step 3: Right below your gmail address there will be a pull bar, drag across and select “security” > In the “login to Google” section select “two-step verification” > enter your account password
Step 4: Then scroll down to “set up an alternate second step” and select “Authenticator app” > Select the type of phone to receive the code and scan.
***Note: There are two cases here:
- If you've set up two-factor authentication for your gmail on a phone that doesn't have the GA app, you can scan the code at this step with your own phone with the app by selecting the "scan barcode" option in the app
- But if you set it up on your own phone that contains the GA app, you have to enter it manually by following these steps: select “cannot scan code” > write down the code provided > select “import key provided” in apps > Enter “account name” and “your key” then select “add”
Step 5: After selecting "add", you will be taken back to the main screen of the application and receive a 6-digit code for your gmail, enter that code in the request section on gmail to complete the installation.
Also, if you want to add a GA code for other accounts, just select the “+” sign on the main screen of the app.
Activate GA for exchange accounts
Besides gmail, activating GA for exchange accounts always seems to be an extremely important step. Blogtienao will do an example with a Binance account
Step 1: Click on “security” in the account section > Select “authenticate with Google” > Binance will ask you to download the Google Authenticator app, select “next”
Step 2: You will then receive a “backup key”. NOTE, PLEASE WRITE THIS KEY BECAUSE THEY WILL HELP YOU RECOVERY GOOGLE AUTHENTICATOR IN SITUATION IN CASE OF LOST YOUR PHONE. Any broker will provide you with a “backup key”.
Step 3: After re-entering the key that has just been provided, you just need to complete the step of entering the password and two authentication codes, the activation is complete.
Backup Code: A Detail You Can't Forget
When using GA, it is impossible not to know the backup code, because this will be the easiest way to help you restore the application if something goes wrong.
To get a backup code, you need to follow these steps:
Step 1: Follow steps 1, 2 and 3 in 4.1
Step 2: Select “Backup code” under “set up an alternate second step” > You will receive a backup code. Write them down and save them somewhere.
How to recover when lost phone
How to restore gmail
Use 1 of the 10 backup codes Google has provided to restore (review the backup codes section).
How to recover GA token in exchange account
In this case, the "backup key" that the exchange provides is the fastest way for you to recover. If not, you will need to contact the broker's support team directly to reopen your account.
Here's how to restore GA with a key:
Step 1: Reload the Google Authenticator app
Step 2: Select “enter provided key” > Enter “backup key” in “your key” + the name of the exchange account you want to restore > Select “add”
After selecting “add” you are done with the restore. However, the recovery code will not have the same floor name as the original code. That's why you have to remember.
Conclusion
Google Authenticator is an extremely important application for those who are involved in the cryptocurrency market. Therefore, Blogtienao hopes that the above article can help you use GA more easily. Good luck!
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