With bunch of tweets twitter announce that they will give blue tick mark to everyone who meets the criteria. If you will get a verified mark and you will change the user name then you will loose the verified tick mark. Now they are working on it and they are now paused the verification process. Click here to know more about verification.
This action will help to track fake profiles as well as fake news. In India politicians are using fake profiles to trend their topic. I hope this process will stop those nonsense trends.