Did Bitcoin made the dollar obsolete? Will any new coin be a hero and a winner in the battle of a paper-digital money world? Preiscoin or OneCoin. Or what else? Who is responsible to answer these questions? Network marketing junkies continue to advise their friends to convert dollars into digital bits. It’s easy to answer why this advice is not fully adequate as it’s not logical. The Internet changed the entire life of people, but the way we bank is not new as it has not changed since the 15th century. And events like near-financial meltdown of 2008 or even Great Depression show us just how fragile the system is. If digital currency becomes a must-have, that it will mean than hundreds of years have already passed after XXI century.