Marble Cards enables people to save digital memories as nfts. Any article, video or anything else you like, can be “marbled” it into a crypto collectible card. Marble Cards is based on the ERC721 standard. When you buy a Marble cards, it’s yours. Every Marble cards has a unique pattern that is generated at the time it is marbled. Anyone can create a Marble card. When it is sold, the one who initiated the auction is paid a share of that sale in Marble Cards.