How to enable two-factor authentication (2FA) on Bithumb?

To enhance your Bithumb account's security, enable 2FA using Google Authenticator by scanning a QR code and entering the generated six-digit code during login.

Apr 17, 2025 at 07:42 pm

Enabling two-factor authentication (2FA) on Bithumb is a crucial step to enhance the security of your cryptocurrency account. By adding an additional layer of security, 2FA helps protect your funds from unauthorized access. This guide will walk you through the process of setting up 2FA on Bithumb using Google Authenticator, which is one of the most popular 2FA methods.

Preparing for 2FA Setup

Before you begin, ensure that you have the following ready:

• A smartphone with the Google Authenticator app installed. You can download the app from the Google Play Store or Apple App Store.
• Your Bithumb account login credentials. Make sure you can log in to your account without any issues.

Logging into Your Bithumb Account

To start the 2FA setup process, follow these steps:

• Open your web browser and navigate to the Bithumb website.
• Enter your email address and password to log in to your account. If you have not yet registered, you will need to do so before proceeding with 2FA setup.

Accessing the Security Settings

Once logged in, you need to access the security settings to enable 2FA:

• Click on your username in the top right corner of the Bithumb homepage.
• Select "Settings" from the dropdown menu.
• Navigate to the "Security" tab within the settings page.

Enabling Google Authenticator

In the security settings, you will find the option to enable Google Authenticator:

• Look for the "Google Authenticator" section and click on the "Enable" button.
• A QR code will appear on the screen. This code is unique to your account and will be used to link your Google Authenticator app.

Setting Up Google Authenticator

Now, you need to set up Google Authenticator on your smartphone:

• Open the Google Authenticator app on your smartphone.
• Tap on the "+" icon to add a new account.
• Choose "Scan a QR code" and use your smartphone's camera to scan the QR code displayed on the Bithumb website.
• The app will generate a six-digit code that changes every 30 seconds. This code is what you will use to verify your identity when logging into Bithumb.

Verifying the Setup

After setting up Google Authenticator, you need to verify the setup on Bithumb:

• Enter the six-digit code generated by the Google Authenticator app into the field provided on the Bithumb website.
• Click on "Verify" to complete the setup process.
• If the code is correct, you will receive a confirmation that 2FA has been successfully enabled.

Backup Codes

It is important to save your backup codes, which can be used to access your account if you lose your smartphone or are unable to use the Google Authenticator app:

• In the security settings, look for the "Backup Codes" section.
• Click on "Download" or "Print" to save your backup codes. Keep these codes in a safe and secure place.

Using 2FA to Log In

Once 2FA is enabled, you will need to use it every time you log into your Bithumb account:

• Enter your email address and password as usual.
• You will be prompted to enter the six-digit code from your Google Authenticator app.
• Enter the code and click "Log In" to access your account.

Troubleshooting Common Issues

If you encounter any issues during the setup or login process, consider the following:

• Ensure that your smartphone's time is set correctly. Google Authenticator relies on the device's time to generate codes.
• If you lose your smartphone, use your backup codes to log in and disable 2FA before setting it up again with a new device.
• If you are unable to scan the QR code, you can manually enter the setup key provided by Bithumb into the Google Authenticator app.

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Frequently Asked Questions

Q: Can I use a different 2FA app instead of Google Authenticator on Bithumb?

A: Yes, Bithumb supports other authenticator apps that use the Time-based One-Time Password (TOTP) algorithm, such as Authy or Microsoft Authenticator. The setup process will be similar, but you will need to ensure the app you choose supports QR code scanning or manual entry of setup keys.

Q: What should I do if I lose my smartphone with Google Authenticator installed?

A: If you lose your smartphone, you can use your backup codes to log into your Bithumb account. Once logged in, go to the security settings and disable 2FA. After that, you can set up 2FA again using a new smartphone.

Q: How often do I need to enter the 2FA code on Bithumb?

A: You will need to enter the 2FA code every time you log into your Bithumb account from a new device or after a period of inactivity. This adds an extra layer of security to ensure that only you can access your account.

Q: Is it possible to disable 2FA on Bithumb if I no longer want to use it?

A: Yes, you can disable 2FA by going to the security settings on Bithumb. You will need to enter your password and the current 2FA code to confirm the action. However, it is highly recommended to keep 2FA enabled for better security.