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This paper presents the development of an online procurement system and theintegration of blockchain technology. Various tools such as PHP, JavaScript,HTML, CSS, and jQuery were used in designing the graphical, programming logic,and blockchain aspect of the system. Every page and function will have theirrespective construction and result. In addition, the proposed system's flow ofprocess and the methods on the testing and hosting of the site as well as thedifferent web development languages used in every part of the development anddesign process were presented. The proposed system was successfully andfunctionally developed starting from the execution of procurement proper, tothe placement of procured items or goods, and up to the signing of contracts bythe winner and the procurer. Lastly, features were added such as user profilesof the bidder and procurer.

Development of a Secure and Private Electronic Procurement System based on Blockchain Implementation