Cryptocurrency trading volume declined in December, with both CEXs and DEXs experiencing drops. According to data from The Block, December's CEX cryptocurrency trading volume fell to $1.13 trillion, the lowest point in 15 months, a 32% decrease compared to November ($1.66 trillion) and a 49% decrease compared to October ($2.23 trillion). Binance held the largest share of CEX trading with $367.35 billion, followed by ByBit, HTX, Gate, and Coinbase. Seasonal factors, volatility restrictions, and year-end position adjustments are considered the main factors affecting trading volume. Meanwhile, DEX trading activity also declined last month, with total trading volume falling to $245 billion, a 20% decrease compared to November ($306 billion), and a 46% decrease in October ($451.2 billion). Uniswap continued to dominate the market with a monthly trading volume of $60 billion.