Odaily News According to Cryptoslam data, the sales of NFTs on the Polygon chain exceeded US$78 million in June, reaching US$78,636,984.50, setting a new high in the past five years. In June, the transaction volume of NFTs on the Polygon chain reached 1,786,625, including 294,708 independent buyers and 76,810 independent sellers. As of now, the total cumulative sales of NFTs on the Polygon chain has reached approximately US$1.68 billion.