Doesn't smell legit. No video of him talking about the coin, and no public endorsement from him for the coin
I'd wait to see him make an official statement. It's difficult to imagine that this would be launched without some formal event with him present.
It's probably also one of the worst anti-virus you can have on your computer.. I had McAfee, forget about unistalling this thing.. ever..
It's a terrible resource hog and impossible to turn off. Although to be fair to John he did sell it to Intel so it's their awful product, not his.
He at least tweeted about it on his official and verified Twitter. I would prefer a video or press release though.