Well, I don't know exactly technology, but if you read about NFT (Non-Fungible Tokens) here https://en.wikipedia.org/wiki/Non-fungible_token or here https://cointelegraph.com/news/nonfungible-tokens-could-change-the-way-we-own-things you can make a picture what it's all about...
RE: Announcing NFT Showroom: Collectible, Scarce, Tokenized Art on Hive