McAfee antivirus Creator John McAfee has developed an application called Bitcoin Play.
Mobile SOFTWARE works on the principle of the famous project "Who wants to become a millionaire?": participants must answer questions and receive cryptocurrency for correct answers.
In Bitcoin Play there are tasks on various topics: history, geography, sports, entertainment, etc. the Reward increases from question to question, but at the same time the complexity increases. The app also allows players to compete with each other for additional prizes.