OAuth 1.0 vs OAuth 2.0 .What's the difference.?

During your professional career, you would have come across the term OAUTH for sure. It was always something that I knew about on a high level but I never knew what it was precisely and how it worked. So when OAuth 2.0 came out, I was more intrigued to find out about the nuances of both of them. I hope this article helps anyone trying to know about OAuth Too. Happy reading.