Just a decade ago, the idea of moving money that quickly and cheaply would have been ridiculous. Checks took ages to clear. Transferring money from one bank account to another could take days, as banks leisurely handed off funds, levying fees nearly every step of the way. Credit cards made it a little easier to pass money to a friend — provided that friend owned a credit card reader and didn’t mind paying a few percentage points in fees or waiting a couple of days for the payment to process.

it has been explicitly stated in Star Trek (such as Picard's statement in Star Trek: First Contact) that money does not exist anymore in the 24th century, and that humans had advanced beyond the drive for material wealth and possessions.

PaySwarm enables people that create digital content to distribute it through the Web and receive payment directly from their fans and customers. It is also designed to help fans and customers distribute digital content on behalf of the content creators in a way that is both legal and financially beneficial to the creators, fans and customers. The technology is designed to be integrated directly into web devices, finally making legal digital content distribution a first-class citizen on the web.

Graphical Marvels, Forged Notes, Hyperinflation "Riches" and Propaganda Bed Sheets"Paper money eventually returns to its intrinsic value - zero." (Voltaire, 1694-1778)World's historical bank notes often provide the clearest and unique view on country's political and design sensibilities. For example, old Russian Empire bank notes were pretty elaborate and some of the largest in size:

The world’s oldest known banknote The earliest recorded use of paper money is in China around 800 AD, although the Chinese abandoned paper money in the mid fifteenth century. This Chinese Kuan note is the world’s oldest known banknote, from around 1380.