You’ve probably heard about the rapid development of NFT. Digital trading cards, art and music, it’s all NFT. Sales are breaking records… — You’ve probably heard about the rapid development of NFT. Digital trading cards, art and music, it’s all NFT. Sales are breaking records: $2.5 billion was generated in the first half of 2021, and the “average” price of an NFT piece fluctuates between $2,000 and $5,000.