Non-fungible tokens are based on blockchain technology known from cryptocurrencies. NFTs create a ‘proof of authenticity’ for digital works and confirm personal ownership of them, which is what makes it possible to trade virtual images. Twain Stolz, an art historian and economist, is researching the effects of NFTs on the art market.

A study by the University of Augsburg, Germany and Queensland University of Technology (QUT), Australia has shown that the use of a fake smile by salesclerks does not neccesarily have to result in diminished success. The results published in the journal Psychology & Marketing show that the customers’ number of choices is an importat factor in these findings.