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What is Bitcoin?
Bitcoin was created by a programmer or group of programmers using the name “Satoshi Nakamoto.” But the real creator(s) of Bitcoin is still unknown to the public.
Bitcoin is one of the most widely used types of cryptocurrency. Virtual “coins” or “tokens” are used in a cryptocurrency system instead of physical cash. Coins have no intrinsic value, and they aren’t backed up by gold or silver.
Bitcoin was created to solve a couple of big cryptocurrency flaws. First, it was designed to prevent crypto coins from being fraudulently duplicated. Think about how easy it is to make copies of your computer’s data—documents, photos, files, etc. Cryptocurrency wouldn’t be possible if anybody could duplicate a coin and create an unlimited amount of currency for oneself. You can’t just make copies of a $20 bill, right? Likewise, there’s a need to prevent people from reproducing crypto coins.
Understanding Blockchain Technology
Bitcoin uses a digital technology called “blockchain,” an advanced coding mechanism that disperses a single code over thousands of different computers. For example, let’s say that your coin is built from the code “XDA146DDS.” Blockchain segments the code into smaller pieces and stores the pieces of code across many computers. If a hacker wanted to access the code, they’d have to hack various computers to access the entire code.
Blockchain also employs a “public ledger,” which uses thousands of computers (referred to as “nodes”) to keep track of coins and their owners. If a coin’s data is changed, the nodes will cross-reference their records to verify whether the change is accurate and that the coin’s owner initiated it.