You know, you got to spend money to make money.
—Chief Keef
A couple of weeks ago my grandma asked me if she should put some money into Bitcoin. I didn’t know what to tell her. But I knew that in a book about finance I would have to at least give Bitcoin and cryptocurrencies at least a little bit of lip service.
For the uninitiated, cryptocurrencies like Bitcoin (and Ethereum, Dogecoin, and Zcash) are digital assets that are designed to function as a medium of exchange and that use cryptography to secure transactions, to control the creation of new money, and to verify asset transfer.
Because I think ...