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| In recent years, blockchain technology has developed rapidly. Not only Bitcoin is widely known, but also Ethereum and Hyperledger technology are gradually being applied to life. However, the current technology has problems with high time delay and low throughput. The Nano block grid structure solves the above problems by virtue of its concurrent transactions and account transactions. However, the Nano blockchain project is too redundant and large, and it is not easy to learn. In order to make the project easier to support the development of application and test its performance in lab environment, we choose Java to reconstruct the Nano block grid system, using Socket communication technology, JDBC Database and other technologies. The system includes start-up block chain, construction block, socket communication, system transaction, account information display, and block content display. The experiment results show that the reconstructing system works well. |
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| Keywords:Computer application; Blockchain; block grid; JAVA |
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