In the future, paper money will disappear, it will be replaced by another currency. In other words, paper money will become worthless because many countries print more money to stimulate the economy, the value of paper money will decrease serious. And i think electronic money will be the main currency in the future because it safe, fast and ensure transparency
paper money will not be replaced with another currency. paper money only will rejuvenate become more sophisticated and more flexible. The new version will be even more likely to be digital