Altcoin season is the time when other cryptocurrencies like Ethereum, Solana, and others start to rise more rapidly compared to Bitcoin. This means that people start investing in altcoins instead of Bitcoin. When Bitcoin's market influence decreases and the prices of altcoins begin to rise, it is referred to as alt season. During this time, more people trade these crypto coins, leading to further increases in their prices. In the past, when Bitcoin rose, altcoins also gained significantly shortly after. There are still similar signs appearing, which is why many investors believe that a good time for altcoins may come soon. But remember, the crypto market is volatile, so it is important to make decisions wisely.