Christie's, the legendary auction house, has entered a partnership with non-fungible token (NFT) marketplace OpenSea to hold a series of curated auctions. As per the announcement, the first "Christie's X OpenSea" auction will commence on Dec. 1. It will be open for browsing until Dec. 3, and bidding will start from the fourth and run until the seventh. All bidding and payments will be made using the Ethereum network.