Abstract
With the development of Internet technology and the growth of the e-commerce industry,
a new distributed bookkeeping method or database, the blockchain, is gradually coming into
the limelight. A "block" is often referred to as an area of a computer's hard drive, i.e. it is a
specific location where information is stored. Through cryptographic encryption, this stored
information will be very difficult to modify or destroy. This technology could effectively
reduce the cost of financ
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