NFTs seem to have exploded out of the ether this year. From art and music to tacos and toilet paper, these digital assets are selling for as high as $6.6 million at the moment.

But are NFTs worth the money—or the hype? Some experts say they’re a bubble poised to pop, like the dotcom craze. While others believe NFTs are here to stay, and that they will change investing forever. Let's see what NFTs are and how they work!