I want a explainer vedio for our tech startup

we are creating a blockchain infrastructure by building decentralised servers and other hardware machines in a way that it will work offline.
We want an explainer video for it which will show following :-

Existing Problem
Solution We are building
Features of our solution
how it process and work
It's Benefits

PS : we don't want 2 minutes promotional video. we want a video which will explain the technology we are building

Reference video:-

https://youtu.be/6WG7D47tGb0