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An online sale of a single pixel, as a part of non-fungible tokens (NFTs) by the digital artist Pak, sold for $US1.36 million ($1.76 million) at auction house Sotheby's.

The artist is known only as Pak, with the Twitter handle @muratpak.

The pixel was a part of a total of $US16.8 million ($21.8 million) digital art sale, the auction house said on Wednesday (local time).

The NFTs in the collection are represented by animated images designed by Pak.

They are three-dimensional white and grey shapes on a black background, apart from the pixel, which is just a grey square.

The Sotheby's sale, called The Fungible Collection, had a complex structure, including a series of digital cubes that collectors could buy for $US500 to $US1,500 ($648 to $1,943) each, receiving a number of NFTs based on how many cubes they own.

The sale also included four limited edition NFTs that were awarded to the winners of specific tasks, including paying the highest amount for a Pak artwork on the secondary market and posting the hashtag #PakWasHere to the biggest social media audience.

https://www.abc.net.au/news/2021-04-...lion/100070810