This direct-to-consumer platform allows shoppers to purchase a non-fungible token that is linked with a physical bottle from the winery. WineChain promises ‘perfect provenance with minimal carbon footprint’ as you buy, sell and store fine wines online. Three Champagne houses – Louis Roederer, Fleur de Miraval and Henri Giraud – have agreed to sell ‘wiNeFTs’ on the WineChain platform.