The total value of all cryptocurrencies combined, giving a snapshot of the entire crypto market’s size and health. When the market cap is growing, it usually means more people are investing, and the market is doing well. If it’s shrinking, it could mean people are selling off their assets, and the market might be facing a downturn.
By keeping an eye on market cap, you can get a sense of whether the market is generally moving up or down, helping you make better decisions on when to buy or sell.