Happy Halloween! Let's talk about the scariest thing in the tech world today. No, no, not bubbles, drones, or unicorns: Bitcoin. Seriously. (Mostly.) Whether you think it's a boondoggle scam, a liber
Strange, interesting, and wildly ambitious things are afoot in the world of Bitcoin and blockchains. I give you Zerocash, a completely anonymous currency; Ethereum, a blockchain platform designed to d
A few months ago, while visiting a hacker friend's magnificent new San Francisco loft, he gestured to a little alcove stuffed with server racks and said: "And over there are the Bitcoin mines." I smil