Odaily News DeFiLlama data shows that the transaction volume of DEX on the Ethereum chain in the past 7 days was 12.42 billion US dollars, a decrease of 16.87% in 7 days. The transaction volume of DEX on the Solana chain in the past 7 days was 8.423 billion US dollars, an increase of 1.02% in 7 days. The transaction volume of DEX on the BSC chain in the past 7 days was 5.273 billion US dollars, a decrease of 20.96% in 7 days. The transaction volume of DEX on the Arbitrum chain in the past 7 days was 3.735 billion US dollars, a decrease of 26.56% in 7 days. The transaction volume of DEX on the Base chain in the past 7 days was 2.321 billion US dollars, a decrease of 10.10% in 7 days.