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IEEE/ICACT20210137 Slide.05        [Big Slide]	Oral Presentation
	Bitcoin is a cryptocurrency invented in 2008 by ¡°Satoshi Nakamoto¡±. Bitcoin is a virtual currency built on blockchain technology. and is not issued through any countries or financial institutions, but through the algorithms to calculate issuance and conduct transactions. The decentralized nature of P2P and the algorithm itself can ensure that the currency's value cannot be manipulated through the large-scale production of bitcoin. The payer (or input) needs to digitally sign the transaction with its private key to prove ownership and approve it. The value of the transaction will be recorded on the address of the recipient (or output).

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