In today’s digital world, the importance of having a clear understanding of internet protocols, particularly IPv4 and IPv6, is more significant than ever. The backbone of the internet, these two protocols are what allow our devices to communicate across vast networks, enabling us to browse, stream, and connect globally. Yet, many still wonder: What exactly are IPv4 and IPv6, and why do we need them both? The story of these protocols is not just technical—it’s a story of necessity, evolution, and the growing complexity of our online systems. In this article, we’ll dive deep into the differences between IPv4 and IPv6, explaining their origins, purposes, and technical distinctions, all while keeping it straightforward and engaging.