NFTs, or non-fungible tokens, have been around since 2017, but gained mainstream attention in 2021 with the sale of Beeple's digital artwork for $69 million. NFTs are unique digital assets that are verified on a blockchain, making them one-of-a-kind and valuable in the world of digital art and collectibles. They have also been used in gaming, music, and other industries as a way to authenticate and trade digital assets. While NFTs have faced criticism for their environmental impact and potential for fraud, they continue to gain popularity and evolve in the world of blockchain technology.

NFTs, or non-fungible tokens, have been around since 2017, but gained mainstream attention in 2021 with the sale of Beeple's digital artwork for $69 million. NFTs are unique digital assets that are verified on a blockchain, making them one-of-a-kind and valuable in the world of digital art and collectibles. They have also been used in gaming, music, and other industries as a way to authenticate and trade digital assets. While NFTs have faced criticism for their environmental impact and potential for fraud, they continue to gain popularity and evolve in the world of blockchain technology.