PANews reported on April 22 that according to Cointelegraph, CryptoSlam data showed that Polygon NFT sales surpassed Ethereum, with sales of $22.3 million in the past week, ranking first in digital collectibles sales. This accounted for 24% of the total NFT sales of $92.9 million last week. The network also had more than 39,000 NFT buyers that week, an increase of 81% from the previous week. Ethereum sales ranked second, with NFT sales of $19.2 million that week. Mythos Chain followed closely behind with sales of $14.3 million, while the Bitcoin-based collection series ranked fourth with sales of $14.1 million. CryptoSlam data shows that the surge in Polygon NFTs was driven by an increase in Courtyard NFT sales. The series sold $20.7 million, outperforming other popular NFT projects that week. Courtyard is an RWA marketplace for graded physical card collections, including Pokémon, basketball, and baseball cards, which are popular among collectors.