The main trends in the cryptocurrency market for Q2 2024 by CoinGecko:

1. Decrease in Spot Trading Volume on CEXs:
   The top 10 CEXs recorded a spot trading volume of $3.40 trillion, a 12.2% decrease from the previous quarter.

2. Increase in Spot Trading Volume on DEXs:
   The top 10 DEXs recorded a spot trading volume of $370.7 billion, a 15.7% increase from the previous quarter. This increase was mainly driven by the surge in meme coins and airdrops.

3. Meme Coins, AI, and RWA Leading the Market:
   Among CoinGecko's top 15 categories, these three accounted for 77.5% of web traffic. Particularly, meme coins garnered significant attention, occupying four of the top 15 cryptocurrency narratives.

4. Rising Popularity of DEXs:
   With the increase in meme coin trading, DEXs, which offer a wide variety of tokens and easy trading options, have become increasingly popular. This is the main factor behind the rise in DEX spot trading volumes.