Two-Factor authentication allows you to have an additional layer of security to your account.
You have to have your phone number verified in order to use SMS 2FA, simply verify your phone number from the settings page: "https://login.nashmarkets.com/settings".
You can follow this step-by-step guide on how to verify your number: "tap here"
To enable SMS 2FA simply tap the Enable 2FA via SMS toggle on the Settings page. Then you will be asked to enter the one-time six-digit passcode that is sent to your phone.
When you get the code, enter it on the screen and tap on Enable 2FA. If you did not get the code on your mobile phone, please tap I didn't receive the code (you resend the code once every 20 seconds). If still not received please switch your device off and on again.
Your account will now have 2FA enabled. Each time you log in, you will be required to enter a one-time passcode sent to your phone.
To disable SMS 2FA, you need to go to Settings and tap on Enable 2FA via SMS toggle. You will then need to enter a OTP to disable this security feature.