Sotheby's will hold The Now Evening Auction, to include some works by Banksy, on November 18, 2021 in New York. The house has announced that it will accept bids in ether (ETH) during this event. This is not the first time it has done so, but will be the first time it will take bids in the cryptocurrency in real-time.
https://www.notebookcheck.net/Sotheby-s-announces-support-for-ETH-bids-in-real-time.579181.0.html