Decentralized User Centred Advertisement

Abstract

This application have separate login for end-users and for the organizations. The organization can buy the data of end-user , users spread all around and organization can collect the data by providing speci c location on map. The user will get a noti cation to share his data, and when user shares his data then proof of this will be stored in blockchain and the user cannot deny that that he haven't shared any information. Instead of storing data in centralized server, the data is decentralized using blockchain. Hyperledger fabric pro- vides a permission network which restricts who can access the network, and it will provide security, traceability, privacy, con dentiality and accountability.