$BTC Bitcoin is the king of cryptocurrencies, and its strength comes from the fact that it is the most well-known and accepted. In 2025, its price is expected to rise because large companies and governments are beginning to use it as a store of value, like digital gold. Additionally, Bitcoin exchange-traded funds (ETFs) are attracting a lot of money from traditional investors, which increases demand. Its limited supply (there will only be 21 million BTC) also helps the price grow when there is more interest.Ethereum (ETH)