Much the same way eBay allows people to buy and sell goods in the real world, OpenSea affords users the opportunity to deal in digital items. But what makes the marketplace really interesting is the way it facilitates bundling and interoperability among crypto assets. So, what are the mechanics of buying and selling NFTs in OpenSea? How does the company’s unique B2D model make it scalable? And how might the platform grow and change as digital goods expand beyond collectibles and gaming to include things like domain names and even virtual real estate?