Mark Cuban and many other very smart business people like him have not grasped or studied the BTC/crypto technological paradigm shift that will be seen in just the next 3 to 4 years. They are like the internet in 1995 in their understanding, acceptance and their present capabilities. But unlike the internet taking another 7 to 8 years for the dynamic impact on business and finance to be felt - the Cryptos move and impact upon business and finance are going to be extremely swift moving and breath taking in both their utilization and their upward price movements, especially for the Big two BTC & ETH.