In just six years, bitcoin has gone from a relatively obscure piece of code to an internationally recognized form of payment. Yet, opinions about bitcoin’s future are mixed. After considering the major factors affecting bitcoin’s future use, I offer some modest predictions. In brief, I...

We make a distinction between centralized, decentralized, and distributed payment mechanisms. A centralized payment mechanism processes a transaction using a trusted third party. A decentralized payment mechanism processes a transaction between the parties to the transaction. A distributed...