To keep the coins system up and running, similar to banks and application stores, we will take a commission from transactions between users. This will allow to develop the economy further.
This is how it works:
Every transaction which you make with another user (like Rewarding an answer) we will take a commission from the receiver. This means that you still get the full amount of reward to climb in the ranks of Leaderboard, but coins in your wallet will increase without the commission.
The commission is 10 % from the transaction and it is rounded down. The commission may vary by country and user activity.