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. What Is Bitcoin's Intrinsic Value?
    Economics

    What Is Bitcoin's Intrinsic Value?

    What would bitcoin's price look like in the event of widespread adoption?
  2. What Is Bitcoin
    Active Trading

    What Is Bitcoin

    Bitcoin is the first decentralized digital currency. It is also sometimes referred to as a virtual currency or a crypto-currency.
  3. What is Bitcoin Mining?
    Investing Basics

    What is Bitcoin Mining?

    How does Bitcoin get released into circulation?
  4. Bitcoin Mining
    Term

    Bitcoin Mining

    Bitcoin mining is the process by which transactions are verified and added to the public ledger, known as the block chain, and also the means through which new bitcoin are released. Anyone with access ...
  5. Why The Winklevoss Twins' New Bitcoin ETF Matters
    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, ...
  6. Bitcoin
    Term

    Bitcoin

    A digital or virtual currency that uses peer-to-peer technology to facilitate instant payments. Bitcoin is a type of alternative currency known as a cryptocurrency, which uses cryptography for security, ...
  7. Who Is Satoshi Nakamoto, Mysterious Bitcoin Founder?
    Economics

    Who Is Satoshi Nakamoto, Mysterious Bitcoin Founder?

    Short answer: No one knows.
  8. Bitcoin Mass Hysteria: The Disaster that Brought Down Mt. ...
    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.