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Some have expressed surprise at the news given that Sir Tim famously refused to patent his invention.
The sale is being handled by Sotheby's auction house, and the money made will be put towards causes chosen by Sir Tim and his wife, Sotheby's said.
Some have expressed surprise at the news given that Sir Tim famously refused to patent his invention.
But the biggest question mark is over the environmental impact of NFTs created on the Ethereum blockchain. One analyst puts the carbon footprint of a single Ethereum transaction at more than 14 times that of putting an art print in the post.