Blockchain-based Secure Logging Systems

Project Start Date: 

July 2018 – June 2020

Project Status: 

Completed

Project Objectives and Scope

In this project a) we will investigate the applicability of the major blockchain systems to accurate and secure logging scheme, and b) we will build a prototype of a secure logging framework to demonstrate its properties and potential.

Challenges

There are many challenges associated with designing such a logging framework and we define the main requirements as:

1. accessibility for auditors, such that an authorized auditor can access all logged artifacts and events,
2. authentication of the logged artifacts and events, thus it is verified who has created or submit them,
3. freshness of artifacts and events, such that their creation time and order can be determined.

Methodology/Approach

To overcome these challenges, we will take a different approach than proposed by previous work. We will try to combine to combine currently existing trust infrastructures with a blockchain infrastructure. We will also investigate methods of secure timestamping and censorship resilience and their applicability to blockchains.

Publications