How to create a game project for bitcoin cryptocurrency?

Question

bitcoin

Briefly. hobby project. It is interesting to delve into practice in the blockchain.
People play with people on cryptocurrencies
The resource is free. The games are simple, starting with a 50/50 chance of winning.
In the future, monetization on commission.
Advise where to start
Maybe someone who has worked with the blockchain will tell you how best to start. What is the mechanics of implementing such an exchange system? What are the potential problems.
Experience with web programming and design is sufficient.
UPD: advice on the usefulness of this resource, of course, is interesting to listen to, but it is the implementation that is of interest. The example is taken from the head to explain what kind of manipulations need to be carried out with bitcoin. How to accept payments, how to transfer, etc.