American Journal of Engineering and Applied Sciences

Blockchain: Methods, Applications and Technology Progress

Cheryl Ann Alexander and Lidong Wang

DOI : 10.3844/ajeassp.2019.30.38

American Journal of Engineering and Applied Sciences

Volume 12, Issue 1

Pages 30-38


Blockchain is gaining great attentions in various applications. Blockchain is a shared ledger concept which is highly secure due to the nature of its construction. It is immutable, needs a consensus to add a block to the chain, is held secure by a hash function and is visible to all participants within the blockchain. The methods, impacts and benefits of blockchain are introduced. The applications and the technology progress of the blockchain technology are presented, which include applications and progress in Internet of Things (IoT) and cloud, medical applications and healthcare, supply chain security and management in identity, resources, ownership, mobility and keys for heterogeneous vehicular network.


© 2019 Cheryl Ann Alexander and Lidong Wang. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.