If you’ve logged into your Google account recently on a supported device, you may have been offered the opportunity to set up passwordless login with your device being the key to enter. This isn’t unique to Google, and in fact, services across the globe are starting to embrace passwordless security paradigms that instead rely on a physical “key” of sorts that you have to get in. There are quite a few things that will need to happen first before the world can switch to passwordless, though.