The financial universe has been revolutionized by the cryptocurrency space, offering decentralization, transparency, and economic independence. However, it has also been an easy target for hackers, leading to huge breaches of security and a loss of investor confidence. The breaches not only have cost billions of dollars but have also played a major role in shaping regulatory policies around the world. Governments and regulatory agencies have countered such breaches by being more proactive, tightening enforcement on non-compliance, and installing security checks to safeguard users. This article looks at some of the crypto world's most infamous breaches and how they have changed regulation irreversibly.