Starting at block #456476, each banknote represents 1 consecutive block in the chain. Dörfelt spent 2 years writing a program that turns each block’s hash number into a gorgeous image that looks a whole lot like currency bills.
“Why design a bill for bitcoin now? ‘From a technology standpoint, the blockchain, which was invented through bitcoin, is one of the most groundbreaking things that came along in the past couple years,’ Dörfelt says. ‘Bitcoin itself is worth so much money, and it’s so important nowadays that it was something on my mind.'”
See more from Block Bills here.