ABSTRACT
Blockchain is one of the emerging technology of the 21st century. It is getting familiar to the people help them by providing better financial services without any centralized medium (banks, agencies etc.). Although it has a strong backbone of cryptography that ensures data protection, security vulnerabilities are still part of this system and are continuously emerging. This chapter will explore the deep analysis of various blockchain applications, related security threats and vulnerabilities, future trends, and possible solutions that could promise the integrity of this technology.
