• Anju
• Dr. Sudhir Rathi

Blockchain is a common, changeless record that works with the most common way of keep exchanges and following resources in a business organization. A resource can be unmistakable (a house, vehicle, money, land) or theoretical (licensed innovation, licenses, copyrights, marking). At a more point by point level, a blockchain is a de-incorporated data construction of value-based records that guarantees security, straightforwardness and permanence — implying that records can't be changed. You can likewise imagine a chain of records put away as blocks, which are ordinarily constrained by no single power. This paper explores the concept of blockchain and its importance in security enhancement.

Blockchain, Data Security, Data Validation, Hashing.

"Security via Blockchain: A Review ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 2, page no.e779-e782, February-2022, Available :http://www.jetir.org/papers/JETIR2202497.pdf

"Security via Blockchain: A Review ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 2, page no. ppe779-e782, February-2022, Available at : http://www.jetir.org/papers/JETIR2202497.pdf