Billionaire Mark Cuban Invests In NFT Data Aggregator CryptoSlam Billionaire investor and Shark Tank star Mark Cuban has invested in non-fungible token (NFTs) data aggregator, CryptoSlam. Cuban Adds CryptoSlam To List Of NFT Portfolio The prominent crypto fan, Mark Cuban, has invested in the NFT data aggregator service known as CryptoSlam through his venture capital arm, Radical Investments. The NFTs marketplace commenced operation in 2018 in Austin, Texas, following the launching of the website by Randy Wasinger to track Major League Baseball Champions collectibles. However, Wasinger’s rel...