According to ChainCatcher, according to CryptoSlam data, the NFT transaction volume on the Polygon chain in the past 7 days was approximately US$20,993,244, a month-on-month increase of 21.62%; the transaction volume of the Ethereum network reached US$38,325,579, a month-on-month decrease of 2.51%; the Bitcoin network (US$17.21 million) fell 58.73% month-on-month.