How are NFTs changing the art world? From Sotheby’s Metaverse platform for high-end artworks to global fashion brands, celebrities and influencers entering the market

• The new digital medium promises endless possibilities for creators and collectors, but fears of a bursting bubble means newcomers should research and tread carefully
• Photographer Ali Ghorbani’s ‘Hong Kong Red’ collection of the city’s iconic red taxis, shot on mobile phone and minted on the Sloika platform, quickly sold out