Keybase

KeyBase Onion Link

Keybase is a fantastic onion site that allows you to bring your different online identities together cryptographically.

All you need to do is to upload your PGP key or let the platform create one for you. Use it to link your Github account, Twitter, Bitcoin address, and Facebook together. This .onion link makes it impossible for hackers to impersonate your profile.

Direct link: http://fncuwbiisyh6ak3i.onion/