Founded mid, Kraken is the world’s largest Euro-denominated Bitcoin exchange, based on daily average trading volume. This commission officially classified Bitcoin as a commodity towards the end of — this classification meant that Bitcoin would be liable to taxation by the Internal Revenue Service as it was categorized as property. But when transacting in Bitcoin, beware of large transfer fees when going back and forth between coins and other currencies and even transferring to other digital wallets. The CoinDesk Bitcoin Price Index averages the price across multiple exchanges to create a strong reference point. You can transfer Bitcoin and use them for purchases at some rare stores on and offline. Please visit LocalBitcoins for its exact pricing terms. A long time ago anyone could mine bitcoins on their computer at home.