## Ethereum [Ethereum](https://ok-ex.io/buy-and-sell/ETH) is currently the second largest cryptocurrency by market capitalization, and it has been gaining popularity rapidly in recent months. Unlike Bitcoin, which is primarily a digital currency, Ethereum is a decentralized platform that runs smart contracts, which are programs that can automatically execute transactions and agreements between parties. Ethereum is still in its early stages, but it has already attracted a lot of attention from developers and investors. For those looking to get involved in the cryptocurrency space, Ethereum is definitely one to watch.