Periodically hosted tournaments will be our main method of maintaining competitiveness of the game and reward participants with QZA and NFTs. This will be one of the easiest ways for Free-to-play players to earn QZA. Tournament participants match-up will be randomise at the start, and sorted into match-up of similar knowledge group according to our ranking algorithm to ensure fairness. The team will implement verifiable random function into our game and the community can verify them on the blockchain.