I am going to get a lot of downvotes for this but I am still curious to hear what solutions the HN community could come up with for the problem Facebook is facing: Some of the accounts have been hacked. You locked the accounts as a security measure. Now you need to validate that some person is the actual owner of the account. How would you solve this problem? (Sending a code via text message to the owners mobile devi…
Have a look at how websites which don't require real name and identities do it and there you have your answer. (Or just look at how facebook does it other than requiring ID).