IMO, 2018 will be a boom year for ETH, predicting that by the end of 2018 the ETH rate will rise to $ 10,000, and the next three years ETH will overtake Bitcoin. So now you should think about investing in ETH, now that its exchange rate has reached more than 1200 dollars.
Whoa, altcoin won't overtake bitcoin that easily because altcoin is based from bitcoin and many investor already invest their money in bitcoin so if bitcoin collapse they will lose faith in cryptocurrency. Unless bitcoin won't apply new technology then its over