• Kiran Kanwar
• Dr. Surendra Yadav

Blockchain is among the most promising technology of this era. It is a clear money exchange structure that has impacted the approach to carrying on with work. Associations and tech monsters have begun putting resources into the blockchain market on an enormous level. It has become well known in light of its obvious security and capacity to give a total answer for computerized personality issues. It is a computerized record in a shared organization. This paper gives a foundation on Blockchain innovation, its history, its design, kinds of blockchain, the eventual fate of blockchain innovation, and its application in various businesses.

blockchain technology, healthcare, security, privacy, stock, industry

"A Review of Block-chain as a Service Model in Cloud", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 8, page no.a148-a153, August-2022, Available :http://www.jetir.org/papers/JETIR2208019.pdf

"A Review of Block-chain as a Service Model in Cloud", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 8, page no. ppa148-a153, August-2022, Available at : http://www.jetir.org/papers/JETIR2208019.pdf