In the past week, the cryptocurrency market has shown some interesting trends. By observing the changes in the exchange wallet balances, we can see some noteworthy phenomena.

The exchange wallet balances of the two major mainstream cryptocurrencies, Bitcoin (BTC) and Ethereum (ETH), have both decreased, with Ethereum showing the most significant drop. This may indicate that investors are transferring these mainstream cryptocurrencies from exchanges to personal wallets or possibly engaging in over-the-counter trading.

In contrast, the exchange wallet balances of some representative small-cap cryptocurrencies (commonly known as "altcoins"), such as Chainlink (LINK) and Uniswap (UNI), are increasing. This phenomenon suggests that a portion of investors may be gradually selling off these small-cap tokens, although the overall sell-off volume is not particularly large.

The contrast between mainstream coins and small-cap tokens may reflect the different strategies of current market participants. Some investors may be increasing their long-term holdings of mainstream encryption currencies, while others may be taking profits or adjusting their small-cap token portfolios.

However, we also need to note that short-term changes in wallet balances do not necessarily reflect the long-term trends of the market. Investors need to consider more market factors and personal investment goals when making decisions.