Manny Pacquiao celebrates after winning a bout against Lucas Matthysse at the Axiata Arena, Kuala Lumpur, Malaysia, on Jul 15, 2018. (REUTERS/Lai Seng Sin/File Photo)

MANILA,: Philippine boxing champion Manny Pacquiao launched his very own cryptocurrency on Sunday (Sep 1) at a free concert in Manila, where he serenaded more than 2,000 fans to drum up interest in the product.