https://blog.storymirror.com/read/6myzxew_/nft-marketplace-news-2017-highlights-for-the-nft-marketplace-despite-the-recent-selling-pressures Several crypto nft marketplaces exist in the cryptocurrency world. These include Foundation, OpenSea, Rarible, and YetiSwap. However, before you make your purchase, it’s important to understand how these marketplaces work.