Blockchain

BlockChain Security Issues

What is a Blockchain?

Merriam-Webster dictionary defines blockchain as,

A digital database containing information (such as records of financial transactions) that can be simultaneously used and shared within a large decentralized, publicly accessible network.

6 Types of Attacks on Blockchain

1. 51% Attacks (Sybil Attacks)

2. Double Spending Attacks

3. Routing Attacks

4. Private Key Security Attacks

5. Selfish Mining Attacks

6. Vulnerable Smart Contacts

Categories:: Security

1392 Views

Design and Development of a Blockchain-Based Spatial Crowdsourcing System

<p>This is <span style="font-family: Verdana, Arial, Helvetica, sans-serif;">Charlotte street netowrk data.</span></p>

Categories:: Transportation

198 Views

Supplementary data for "Rechained: Sybil-Resistant Distributed Identities for the Internet of Things and Mobile Ad hoc Networks"

Today, more and more Internet of Things devices are deployed, and the field of applications for decentralized, self-organizing networks keeps growing. The growth also makes these systems more attractive to attackers. Sybil attacks are a common issue, especially in decentralized networks and networks deployed in scenarios with irregular or unreliable Internet connectivity.

Categories:: Security

350 Views

Performance Comparison Results of Blockchain tests

This dataset accompanies the paper titled CHASM: A Blockchain Software design pattern. It contains results of the performance tests on two different architectures, and the accompanying analytics source code that presents their comparison.

The .csv files are the result files. The .dta files are the stata equivalent, and the .do files are the Stata analysis files which analyses this dataset and outputs the .jpg images.

Categories:: Other

287 Views

A Blockchain-Based System for Nuclear Power Plant Inspections

In order to explore the possible drawbacks of a blockchain-based system for data management for nuclear Power Plant inspections, a simulator has been implemented to recreate the scenario of an inspection. The results contain execution times, source code and instructions to deploy de simulator