Major auction house Sotheby’s has completed its cryptocurrency-enabled auction offering Banksy’s iconic protest artwork “Love is in the Air.”According to the auction results, Sotheby’s sold the physical artwork on Wednesday for $12.9 million, significantly up from from originally estimated of $3 million to $5 million. The physical artwork was offered at a Contemporary Art … [Read more...] about Sotheby’s crypto-powered auction sells Banksy art for $13M