For all the recent buzz surrounding the cloud and big data, it remains a fact that at the heart of much business computing there is still some form of database. In particular the operation of digital currencies like Bitcoin relies on databases that are able to track large volumes of transactions and keep them secure. The solution used by digital currencies -- though it’s increasingly finding other applications too -- is the blockchain. First implemented in 2009, blockchain technology consists of blocks that hold batches of timestamped transactions, each block is linked to the previous one, thus forming a chain.… [Continue Reading]
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