Bitcoin is a digital currency, also known as a cryptocurrency, that was created in 2009. It is decentralized, meaning it is not controlled by any government or central bank. The most common example of Bitcoin is the buying and selling of goods and services online. Bitcoin transactions are secured by a network of computers, called miners, that use complex algorithms to verify each transaction. Bitcoin can be used to purchase goods and services from vendors that accept it, or it can be exchanged for other currencies, such as the US dollar.

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