• Ashwni Kumar
• Mariya Khatoon

The blockchain is one of the technologies that emerged in the last decade and is very promising. Extensive researches are underway to explore all the capabilities of blockchain. The range of blockchain application ranges from financial services, healthcare, automobile, risk management, Internet of Things (IoT) to public and social services. Several studies focus on using the blockchain data structure in various applications. In this paper we try to conduct a complete study of blockchain technology by discussing its structure to different consensus algorithms and reviewing blockchain applications. Furthermore, this paper also indicates the future directions of blockchain technology.

Blockchain, structures, Internet of Things (IoT), Application of Blockchain

"An Overview of the Revolutionary Technology: Blockchain ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.218-221, June 2019, Available :http://www.jetir.org/papers/JETIR1907R35.pdf

"An Overview of the Revolutionary Technology: Blockchain ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp218-221, June 2019, Available at : http://www.jetir.org/papers/JETIR1907R35.pdf