TheBlue Checkmark on Etherscan lets people know that this is a Token Account of public interest.
The Checkmark appears next to :
a. The [left] Summary tag on the Token Info page
b. Autolookup search results [most right]
What types of tokens gets the Blue Checkmark?
A token contract may receive a blue checkmark if it is determined (at our discretion) to be an account of public interest.
A Checkmark does not imply an endorsement by Etherscan.