DeFiLlama data shows that DEX on the Ethereum chain has a transaction volume of 10.468 billion dollars in the past 7 days, ranking first, with a decrease of 19.01% in the past 7 days, followed by: Solana chain DEX has a transaction volume of 9.716 billion dollars in the past 7 days, a decrease of 31.85% in the past 7 days; Arbitrum chain DEX has a transaction volume of 4.084 billion dollars in the past 7 days, an increase of 33.85% in the past 7 days; BSC chain DEX has a transaction volume of 3.696 billion dollars in the past 7 days, a decrease of 21.31% in the past 7 days; Base chain DEX has a transaction volume of 2.579 billion dollars in the past 7 days, a decrease of 41.67% in the past 7 days.