Remember the hype over bitcoin? The crypto-currency that so tantalized techies and excited investors is today in a sorry state: Its core supporters are at war with each other and ordinary consumers still don’t care about this supposedly revolutionary form of money. But that’s only half of the story. The other half is about the remarkable rise of blockchain, the core technology underlying bitcoin that is enjoying unprecedented adoption by banks and big business. This development—the fall of bitcoin and the rise of blockchain—has...
