OpenVK now supports two-factor authentication (2FA)

You can now protect your profile not only with a complex password, but also with the help of a new feature - two-factor authentication. It can be used even without internet. To do this, you need a code generation app. For example, Google Authenticator for Android and iOS or FOSS Aegis and andOTP for Android.

And when you log into your account, the site will require a code that was generated by the application to generate codes