Odaily News According to CryptoSlam data, the transaction volume of NFT on Polygon chain exceeded 22.69 million US dollars in the past 7 days, ranking second, up 33.71% from the previous month. The transaction volume of NFT on Ethereum chain exceeded 33.06 million US dollars in the past 7 days, ranking first, down 10.37% from the previous month; the transaction volume of NFT on Bitcoin chain exceeded 18.23 million US dollars in the past 7 days, ranking third, up 8.35% from the previous month.