John Kelleher

John Kelleher is a freelance web developer based in Cambridge, Ma. He has a BS in Applied and Engineering Physics and a prior career in the defense industry. In his free time he enjoys exploring the world of digital currency. He tweets as jpkcambridge

  1. bitcoin
    Investing Basics

    Medici, The Blockchain Stock Exchange

    Overstock CEO Patrick Byrne's revolutionary Project Medici would list Overstock securities on a blockchain-based exchange--a turning point for Bitcoin?
  2. Economics

    What Is Bitcoin's Intrinsic Value?

    What would bitcoin's price look like in the event of widespread adoption?
  3. Bitcoin.
    Investing Basics

    What is Bitcoin Mining?

    How does Bitcoin get released into circulation?
  4. The Winklevoss Twins: Olympic athletes, Bitcoin enthusiasts
    Investing

    Why The Winklevoss Twins' New Bitcoin ETF Matters

    The Winklevoss Bitcoin Trust, currently moving towards regulatory approval and expected out later this year, will be a Bitcoin ETF. Currently, such an investment vehicle is only available to wealthy investors, ...
  5. Who Is Satoshi Nakamoto?
    Economics

    Who Is Satoshi Nakamoto, Mysterious Bitcoin Founder?

    Short answer: No one knows.
  6. Bitcoin is still largely unregulated
    Active Trading

    Bitcoin Mass Hysteria: The Disaster that Brought Down Mt. ...

    The disastrous halt in trading on Mt. Gox, a popular Bitcoin-trading web site, sent the Bitcoin world into a panic.