Because there has always been interest in the rarest of the rare arts and antiques, art is popular. NFTs and NFT marketplace have now replaced art and art auctions in the digital age. Although security was prioritized when the idea of digital collectibles was introduced, there have been cases where people have lost their digital collectibles to theft. But, other ideas are emerging, such as Soul Bound Tokens (SBTs), which would be more secure and give NFTs a completely new look.