Besides bitcoin, Ethereum can be considered as the best coin to make its investment into. The idea of ledger contracts which can hold state and arbitrary code, can prove to be one of the best commercial ideas till now. Also Ethereum is one of the best platform for posting new ICO's. Having a market capital of $54 billion, the coin has a lot of potential to grow in the future and provide profits. Ethereum provides an exponential scaling of blockchain and is backed up by a secure cryptography just like bitcoin which makes it a good alt to invest into.