Bernard O'Shea: What are NFTs and why are they bad for the environment?

Fancy spending your money on some digital real estate? Then an NFT could be the non-fungible fun option for you, writes Bernard O'Shea

Bernard O'Shea. Photograph Moya Nolan

Imagine overhearing this conversation between three people in the pub.

"Well, we have just bought a holiday home in Portugal we decided to treat ourselves."