Go to Account Settings on LinkedIn, click on Two-step verification, then click on Turn on
Select Authenticator App, then select Continue and re-type your password.
Copy the secret key
Go to the PrivaKeeper app -> Private 2FAs and create a new 2FA for LinkedIn.
Copy 6-digit verification code generated by the PrivaKeeper app
Paste this code to LinkedIn settings page.
Besides, you can try other Dapps:
PrivaKeeper - PRIVATE STORAGE THAT RESPECTS YOUR PRIVACY
BlockResume - A modern resume generator which respects your privacy
Calorie - PRIVATE CALORIES COUNTER WEB APP
Finisher - PRIVATE ACTIVITY TRACKER APP
Great Quotes - Great Quotes of all time
Embolden It - A decentralized way to highlight words on website.