The Ethereum boom will definitely happen, because it is now the main platform for the ICO. And their main competitor, the NEO is not working bloccano in the opinion of many authoritative experts. Therefore, as soon as the correction approaches the final stage, the growth of bitcoin and ether will be the first, and of course Ethereum will be pulled altcoins, but of course many will not be able to survive such a correction, you need to study each of them separately on the viability