NFTs: much hyped, but how do they work?

NFTs are digital items that can be bought and sold using this blockchain technology. But they are not fungible, making them a different type of asset. — Digital vector created by freepik - www.freepik.com

PARIS: NFTs have sometimes sold online for astronomical sums, with major companies now joining the craze as the tokens find their way into everything from the art market to video games.

But what exactly are these digital assets, and how are they traded?