John Law is an 18th century Scottish entrepreneur, financial engineer and gambler. Having reformed the French economy, invented paper currency, state banks, the Mississippi Bubble and other ideas essential to modern economics, he took three hundred years off in a small cottage outside Bude. He has returned to write for CoinDesk on the foibles of digital currency. For John Law's thoughts on the hottest and most controversial events in the world of digital currency, sign up to the CoinDesk weekly newsletter and receive an exclusive preview before anyone else.