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History of cryptography. ? A Brief History of Cryptography and Algorithms. Most people who have a slight interest in blockchain probably know that the first Bitcoin software was openly released to the public “sometime around 2010” (it was actually at the start of 2009), but the seeds of blockchain go way back further than that.
Once a new chain is added to the block, it’s encrypted using cryptography and can’t be changed, replicated or removed. Bitcoin, on the other hand, is a form of massively unregulated digital currency that was launched back in 2009 by a developer called Satoshi Nakamoto.
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