Blockchain Technologies and Issues

Authors

  • Mohd Yazid Idris Media and Game Innovation Center of Excellence (MaGICX), Institute of Human Centered Engineering (iHumEn), School of Computing, Faculty of Engineering, Universiti Teknologi Malaysia 81310, Skudai, Johor, Malaysia
  • Shahrizal Sunar Media and Game Innovation Center of Excellence (MaGICX), Institute of Human Centered Engineering (iHumEn), School of Computing, Faculty of Engineering, Universiti Teknologi Malaysia 81310, Skudai, Johor, Malaysia
  • Azizul Azman Media and Game Innovation Center of Excellence (MaGICX), Institute of Human Centered Engineering (iHumEn), School of Computing, Faculty of Engineering, Universiti Teknologi Malaysia 81310, Skudai, Johor, Malaysia

Keywords:

Blockchain, Smart Contract, Security.

Abstract

Blockchain technologies are promising area of research on securing data since last few years. Blockchains are distributed ledgers that removing the need for a centralized authority to host data. In this paper, we review four basic elements in blockchain architecture namely distributed ledger, hashing, consen- sus algorithm and smart contract. We then highlight the issues in blockchain related to scalability, performance and security. Finally, we discuss several re- search possibilities drawn from these issues.

Published

2020-07-10