Digital Forensics using Blockchain

Abstract

On considering the integrity of electronic evidence, in particular,we can see that such evidence needs to be protected from a number of undesirable outcomes namely, alteration or destruction. We need to guard against these events and others when trying to maintain system integrity and preserve the purity of evidence so that it could be acceptable in the court. Chain of Custody is nothing but the consecutive documentation of records. The Chain of Custody has all the necessary steps that a crime investigator must follow to make sure whether the information is honest. The Chain of Custody is significant because it cannot be proven that evidence was not altered during the time between collection and its usage in court. Then the collected evidence is not credible. Blockchain technology,a decentralized network currently used by Bitcoins and other Cryptocurrency networks, helps provide a secure database with the help of hashing the data and storing it in blocks.We propose to implement blockchain technology for the process of Chain of Custody, which helps in tracking the people whoaccess the data and assist in assuring the credibility of the data provided during the time of submission in court.