NFT Platform Bitski Levels Up With $19 Million Investment From Serena Williams And Jay-Z Sports, hip-hop and digital art have collided with Jay-Z and Serena WIlliams investing in Bitski, an NFT marketplace that aims to simplify creating, buying, and selling non-fungible tokens. With NFT sales up 55% since 2020 from $250 million to $389 million, just how lucrative is the industry?