In the ever-evolving and dynamic world of blockchain, NFTs (Non-Fungible Tokens) have always been a subject of intense debate. Since the success of CryptoKitties ignited the market, NFTs have had a rollercoaster journey. Although they were once extremely popular, various technical and market issues have caused their appeal to wane at times. However, the arrival of SPL-404 seems to have rejuvenated this market, rekindling enthusiasm for NFTs. But what exactly is SPL-404, and can it truly make NFTs great again?