SML (Super Music Alliance) is a global music and entertainment NFT project jointly established by a global cryptoworld technology team, music artists, and game creators. SMIL transforms the intangible value of real-life music, artists, and music enthusiasts into unique assets in the encrypted world through NFT. The number of encrypted assets in the SMIL ecosystem continues to decrease under the destruction mechanism of application scenarios, and these encrypted assets will generate huge commercial value.SML is not only an NFT game, but also a pioneer of NFT expansion of Metaverse music. The concept of Metaverse originated from science fiction, which is the successor of the Internet and points to the "ultimate form" of the Internet. Describing a world where people interact with various software in three-dimensional space by simulating images. SML has been intertwined with the Metaverse since its birth. Users in SML are not only passive players, but can play, create and trade according to their personal needs, just like in real life....