NFTs are unique — each unit has its own identifier. They are rare and indivisible, stored only as a whole. These tokens are widely used in the cryptosphere. However, despite a number of advantages, NFTs have their disadvantages:
A large amount of electricity is needed to produce each particular token. Blockchain servers work around the clock and consume a lot of electricity, increasing the amount of released carbon dioxide. Many eco-activists believe that such technology brings global warming closer.