Check https://memo.cash/ which utilize BCH network. It's more practical than your idea since there are already incentive to run the node/mine the coin.

Maybe you should check https://realt.co/ and see how a similar matter has already been resolved.
you will surely be able to draw some guidelines.

Yes, you can check
https://memo.cash/ which utilize BCH network

You should get some guidelines by the following link:
https://realt.co/