Blockchain "service" isn't needed. It's authentication by private key. A blockchain can be used to tie additional information to the public key. > The site y

Blockchain "service" isn't needed. It's authentication by private key. A blockchain can be used to tie additional information to the public key. > The site you're actually trying to use could switch to a different blockchain (which is more likely than only offering login with Google or that being canceled). I hope they don't use any blockchain at all. > Unlike the Google scenario, there's no way to regain control of your account Recovery mechanisms for private key based identities have been designed and implemented.