If you take a look at Bitcoin’s blockchain, you’ll see that each block has a position on the chain, called a “peak.” As of November 2020, the block’s peak had reached 656,197 blocks up to now. Imagine that a company owns a server comprised of 10,000 computer systems with a database holding all of its consumer’s account data. This company has a warehouse containing all of those computers under one roof and has full control of each of those computers and all the knowledge contained inside them. Similarly, Bitcoin consists of thousands of computer systems, but every computer or group of computers that hold its blockchain is in a different geographic location and they are all operated by separate people or teams of people.
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