Odaily News DeFiLlama data shows that the transaction volume of DEX on the Ethereum chain in the past 7 days was 18.085 billion US dollars, ranking first, with a decrease of 50.25% in 7 days. Secondly: The transaction volume of DEX on the Solana chain in the past 7 days was 10.184 billion US dollars, an increase of 31.85% in 7 days; the transaction volume of DEX on the BSC chain in the past 7 days was 4.637 billion US dollars, an increase of 28.55% in 7 days; the transaction volume of DEX on the Base chain in the past 7 days was 3.628 billion US dollars, a decrease of 4.66% in 7 days; the transaction volume of DEX on the Arbitrum chain in the past 7 days was 2.728 billion US dollars, a decrease of 25.91% in 7 days.