MS Project Defense - Ankita Singh, "A Blockchain-Based Decentralized Secure Messaging System"

Wednesday, March 1, 2017 - 9:00am
1132 Harold Frank Hall
A Blockchain-Based Decentralized Secure Messaging System
Ankita Singh
Dr. Çetin Kaya Koç and Dr. Ömer Eğecioğlu


A blockchain is a data structure that makes it possible to create a digital ledger of transactions and share it among a distributed network of computers. It uses cryptography to allow each participant on the network to manipulate the ledger in a secure way without the need for a central authority. This is a research proposal which uses the capabilities of the Blockchain technology to develop a decentralized secure messaging protocol.

Blockchain based architecture is designed to validate the messages being transmitted over the decentralized peer-to-peer network, thereby decentralizing the trust. The advantages of this decentralized structure is that it would be more resilient, and there would be no centralized server where a spy or hacker could gather metadata. With the proposed messaging system, every node has the capability to verify the existence of a record on the network. The project describes in detail the proposed architecture, design aspects and various components of such a system.    

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