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- W4380088650 abstract "A blockchain is a decentralized database solution that contains a huge number of data records that are verified by the nodes that are part of the chain. The data is registered in a public directory with details about each completed transaction. Blockchain is a decentralized solution that requires no third-party organization. All the nodes are shared and accessible for any transaction that has ever been completed in Blockchain. This feature makes the system transparent rather than centralized third-party transactions. Furthermore, the nodes in Blockchain are all anonymous, making transactions safer for others. However, while Blockchain appears to be an appropriate solution for transactions by utilizing cryptocurrencies, some technological challenges and constraints remain to be examined and addressed. High transaction integrity, memory consumption, complexity, speed, protection, and node privacy are required to avoid attacks and attempts to distort transactions in Blockchain. This paper proposed an evaluation of the RSA algorithm used in the design of some blockchain technology by adding a new variable to improve memory consumption. In addition, a modified hash function (SHA-3) was suggested by replacing the operations (AND) and (NOT) with (ADD) arithmetic operation to improve hashing speed. The primarily results reduced the process of memory consumption and increased the complexity in amendment RSA algorithm and hashing speed. Finally, some compression between suggested algorithms (amendment RSA and modified SHA-3) among origin and similar algorithms to memory, security, and speed was demonstrated to improve the suggested algorithms’ security, performance, and efficiency." @default.
- W4380088650 created "2023-06-10" @default.
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- W4380088650 date "2023-01-01" @default.
- W4380088650 modified "2023-09-27" @default.
- W4380088650 title "An Evaluation of RSA and a Modified SHA-3 for a New Design of Blockchain Technology" @default.
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- W4380088650 doi "https://doi.org/10.1007/978-3-031-23602-0_28" @default.
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