NFTs represent ownership of digital art, in-game assets, music and film content, and digital collectibles.NFT market has experienced significant growth with sales increasing from $82 million in 2020 to $17 billion in 2021.NFT marketplaces like OpenSea, Rarible, and Binance facilitate buying, selling, and trading NFTs.NFTs offer new opportunities for creators and artists, but also face concerns over environmental impact, regulation, ownership, and copyright.