Art Auction Giant Sotheby's Unveils On-Chain NFT Secondary Marketplace - Major auction house Sotheby’s revealed a secondary non-fungible token (NFT) marketplace t... - https://cryptonews.com/news/art-auction-giant-sothebys-unveils-on-chain-nft-secondary-marketplace.htm #non-fungibletokens #blockchain #sothebys #nftnews #nft