Tony McLaughlin, Emerging Payments & Business Development, Citi, speaks at Money 20/20 USA about the practical problems that still need addressing in the crypto-currency community, how Fiat Currency 2.0 will help fix payments as a counter balance to crypto and what challenges still exist around tokenisation and coins. We ask how this impacts the big techs and what regulatory, political and ethical concerns need to be addressed first before they achieve their own currencies.