Walikum Asalam brother, I hope you are fine. Just came across your post and found it interesting full of knowledge.

You have describe what is blockchain oracle and how it works. You have also shared your opinion on it with a proper example that is of David and Marsh placing bet on football match.

You have also shared types of blockchain oracles that is really informative to read. Then you shared your view on decentralized oracles and 4 use cases of it.

Overall, you have presented quality content with us after doing good research. I suggest one thing that is to improve layout and spacing and your article will be super perfect. It will help you get highest score in the contest.

In last, I wish you success in this and all other contests. Thank You :)