This paper deals with the current Blockchain adopted in the various types of tradingmarkets supporting smart contracts that process text-based transaction informationonly when exchanging cryptocurrencies. Even though the Blockchain itself isdecentralized, services can still be provided through a centralized system in order toprovide adequate services to the users. It also allows the Autochain to applyBlockchain technology to existing businesses conducted under the Fourth IndustrialRevolution to realize higher productivity or competitiveness and improve profitabilityto a remarkable extent. The Autochain is adaptable to all Blockchain technologies,companies, or research works around the world to overcome the limitations of theexisting Blockchain technology. It creates the Blockchain-platform ecology chain andecosystem, making our lives more convenient while revolutionizing every industry. Inaddition, it automates all Blockchain-based systems and offers a base forconstructing a system wherein everyone can easily provide, operate, and maintainBlockchain services. This paper discusses a number of Blockchain-relatedtechnologies and presents a decentralized Application (dApp) exclusively designedfor mobile use, taking house rental service as an example. It also presents theexisting Blockchain and the Blockchain database storage method and proposes thedApp based on it.
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