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Title	Comparison Of Current Blockchain Privacy Protection Technologies And Prospects For Future Trends
ID_Doc	15139
Authors	Lai Z.
Year	2023
Published	Proceedings of SPIE - The International Society for Optical Engineering, 12586
DOI	http://dx.doi.org/10.1117/12.2667239
Abstract	A decentralized, unchanging, and verifiable public ledger that can track the exchange of digital assets is provided by the blockchain. After Bitcoin brought out the blockchain, the blockchain is used in new fields such as smart cities and e-health, and plays a very important role. Although the decentralization of the blockchain makes the construction of digital currency possible, its open and transparent design also risks leaking user privacy. In order to fulfill the security needs of blockchain applications for privacy related information, the relevant researchers have recently done research on blockchain privacy protection challenges and posted corresponding protection technologies, a few of which have been also successfully implemented in several prevailing blockchain applications. In view of the blockchain privacy protection technology issues, this paper investigates the latest progress of blockchain privacy protection technology, conducts a comparative analysis, and summarizes at the end, so as to make an outlook on future trends. © 2023 SPIE.
Author Keywords	blockchain; privacy protection; secure application

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