Richard Branson’s Extreme Tech Challenge announces 2018 Winner of its fourth annual Competition on Necker Island

Extreme Tech Challenge (XTC), an event organized by Richard Branson, taking place on his private island, has announced that Power Ledger is their winner for 2018. Every year, the Extreme Tech Challenge launches its contestants into unprecedented levels of notoriety while exposing them to some of the most influential people in the tech industry. Only