$BTC

Bitcoin (BTC) and Ethereum (ETH) are the two largest cryptocurrencies by market cap. Bitcoin was the first cryptocurrency and was launched in 2009, while Ethereum was launched in 2015. Ethereum not only offers a cryptocurrency, but also a platform for creating and running smart contracts and other cryptocurrencies. Bitcoin and Ethereum are considered to be among the most stable and appreciated cryptocurrencies on the market, and are popular choices for investors.