The NFTs (non-fungible tokens) are not something really new, they were here with us starting the ICO craze in 2017, but somehow, after 2020, they have started a new, upgraded life, and are considered as one of the next big things. They are a breed of unique digital assets - non-fungible, which are different from regular cryptos which are fungible (one can easily be replaced with the others). What is hard to digest for most of us is how these digital assets which range from art and music to in-game assets and luxury fashion, are selling like high-priced diamonds, sometimes in the range of hundreds of thousands, and even millions of dollars.