LONDON (AFP) — The latest show by Damien Hirst displayed thousands of the provocative British artist's colorful spot paintings, many of which he will set on fire after selling them in digital form as NFTs.

NFTs or "Non-Fungible Token" are digital works that cannot be replaced with anything else and are, therefore, unique.

Each has a digital certificate of authenticity which, in theory at least, cannot be tampered with: It is registered in a blockchain, like cryptocurrencies.

The exhibition, "The Currency," which opens Friday in London, is Hirst's first project involving NFTs, a new technology growing in popularity as a way of owning art.

At the Newport Street Gallery in south London, huge panels are covered with 10,000 unique spot paintings on A4-sized paper.

Multicolored dots stretch as far as the eye can see. On the back of each are handwritten phrases based on lyrics of the 57-year-old artist's favorite songs.

And upstairs in the gallery, six fireplaces are ready to burn the works.

Dating back 2016

The works date from 2016 when Hirst created paintings he thought could become a kind of currency.

But it was two years later that the artist, whose works are among the most expensive on the market for contemporary creators, came up with the idea for the project in its current form.

"The Currency" project launched in July last year, when the 10,000 works went on sale for $2,000 each.

Each of the multi-colored dot paintings was signed by Hirst. Each also had its own NFT. And prices soared rapidly, with one painting selling for $172,239.

The people who bought the paintings received the corresponding NFT and had a year, until 27 July, to choose whether to keep the NFT or exchange it for the original painting.

Burn, baby burn

More than half (5,149) decided to take the painting while the rest opted to keep the NFTs.

Hirst now plans to burn the 4,851 physical paintings of those who chose NFTs.

"It's an experiment… We're forcing people to make their choice," the artist says in a video.

Hirst will set the works on fire himself at the gallery on 11 October, a day before the opening of Frieze London, one of the world's biggest contemporary art fairs.

He will only burn some of the unwanted paintings, while the rest will remain on display until the exhibition closes on 30 October.

Art doesn't exist

"Conceptual artists in the 1960s and 1970s said art doesn't exist in the art object, it exists in the mind of the viewer, and this project isn't any different," Hirst says.

"Art doesn't have to just exist in the physical world, it can also exist in the digital world too and now because of the blockchain so can the ownership of that art."