Binance.US requires all of our customers to implement at least one method of two-factor authentication (2FA) for their accounts. Two-factor authentication provides an extra layer of security to help protect your funds and sensitive information.
Learn how to reset your two-factor authentication here
FAQs
- I only see Google Authenticator as an app choice, can I use other apps?
- What if I have access to my phone but didn't receive an SMS code?
- What if I have access to Google Authenticator, but the code is not working?
- My attempt to reset my two-factor authentication method failed or was delayed
- Why do I need two-factor authentication?
I only see Google Authenticator as an app choice, can I use other apps?
Yes. Even though we recommend Google Authenticator, the majority of two-factor authentication applications that utilize 6-digit TOTP (time-based one-time passwords) will work in Google Authenticator's place. The application must also use a 16-digit key to bind accounts (which is standard for most two-factor authentication applications).
In this case, you will still need to select "Google Authenticator" as your chosen two-factor authentication method when given the option.
Although we recommend Google Authenticator, here are some popular alternatives that also support 6-digit TOTP codes:
- Authy
- Okta Verify
- Microsoft Authenticator
- Duo
- LastPass
- 2FA Authenticator App (2FAS) (iOS only)
In each of these cases, the instructions in the above guide should also apply or be suitable for these apps. If you find that the instructions above do not apply, we recommend consulting your authentication app's help guide or confirming that the app in question supports 6-digit TOTP codes.
What if I don't receive an SMS code?
If you're unable to receive an SMS authentication code, please try the following:
- Make sure that you are in a location with a strong cellphone signal/Wi-Fi.
- Close anti-virus software and/or firewall applications on your cellphone.
- Restart your cellphone and try again.
If you still cannot receive your SMS authentication code, you can attempt to reset your two-factor authentication method.
What if my Authenticator app code isn't working?
If your Authenticator code for Binance.US is not working, please try the following:
- For iOS: Go to Settings > General > Date & Time > Toggle "Set Automatically."
- For Android: Go to Settings > System > Date & Time > Toggle "Automatic date & time" and "Automatic time zone."
- Restart your cellphone and try again.
If you still cannot receive your Authenticator code, you canattempt to reset your two-factor authentication method.
If you're using another authentication app and having trouble, we recommend consulting your authentication app's help guide, or, confirming that the app in question supports 6-digit TOTP codes.
My attempt to reset my two-factor authentication failed or was delayed
If your attempt to reset a two-factor authentication method failed, please try the following:
- Ensure you verified the email sent by Binance.US. If you do not see the email, check your Junk or Spam folders, and make sure you have whitelisted Binance.US emails.
- Check that the information and identity document submitted match the information and identity document you submitted when registering with Binance.US.
- If you are using a different device or are in a different timezone or location than normal, this may have caused the attempt to fail for security purposes.
Why do I need two-factor authentication?
Binance.US requires all of our users to implement at least one method of two-factor authentication for their accounts. Two-factor authentication adds an additional layer of security to your account.
Instead of merely needing access to your password, a hacker or unauthorized individual would also need to access your device and receive the temporary code before its expiry to gain unauthorized access and withdraw funds. This makes gaining unauthorized access much more difficult and helps to keep your funds and private information safe.
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