Porsche has written off its 911 NFT project PION?ERS CIRCLE, leaving buyers with digital artworks that are down 96%. PION?ERS CIRCLE gave NFT holders access to various events, awards, and other opportunities that came with purchasing one of the NFTs modelled after the Porsche 911. Porsche didn’t exactly explain why it shut the project down, but emphasised that it was a place for “experimentation” and  a “shared adventure.” “As this journey draws to a close, Porsche continues to evolve, adapting to new opportunities and shaping the future in its own way,” the company’s X statement read.  The declining floor price…