The British pound is the oldest fiat currency in existence at 317 years. The pound was originally defined as 12 oz. of silver. It's now worth less than 0.5% of its original value. In other words, the most successful long standing currency in existence has lost 99.5% of its value.

https://twitter.com/danheld/status/1038371922445131776?s=09 via /r/Bitcoin http://bit.ly/2CGTCds