The people in the third world can login to the website from anywhere and get the coin, they don't have to own a computer.Newborn People over certain age will get a new coin, people that die will leave the coin, the total number of coins would not be limited and it will rise over time.
You all talking about people worked hard to earn those coins, I don't see how wasting electric energy for useless calculations that do not benefit the society called work.
We could also decide that each hundred jumps in the air will get a coin.
At least it could be something useful like starting global projects and each one will have to donate somehow there in order to get the coins.

I don't think you know what communism is. I'm not saying people can't be richer than others or have their own businesses to earn more money.
I'm saying the decided method on how the total sum of coins is distributed is not fair, and the only fair method is to distribute it equally.