Bitcoin is a digital currency ecosystem based on a series of concepts and technologies. Narrowly defined, "bitcoin" represents a unit of money in the system used to store and transmit value. Users use the Bitcoin system primarily over the Internet, but other networks are also available. The Bitcoin protocol is implemented in the form of a variety of open-source software that runs on devices ranging from laptops to smartphones, giving users easy access to the Bitcoin system. https://canhrau.com/wp-content/uploads/2022/04/nhung-hinh-anh-phong-canh-dep-nhat-hinh-23.png

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