In the past few years, we have covered a whole host of plugins that let your visitors sign up and login without needing to remember their password. Digits is also worth a look. It is a handy plugin that let your members login with their phone number and one time SMS passcode. It lets you customize your login page via drag & drop
Digits uses 256-bit encryption. It lets users create an account using their mobile device and login without a password. You get over 20 custom field types to create your forms. It supports over 140 SMS gateways. Digits also works with WooCommerce.