i dont know about preidicion about cryptocurrencies int he future like in 2017 or not, we can see that in 2017 the cryptoccurrencies is booming, every people in cryptocurrencies is try the ICO project and airdrop, and we can see that the coin in 2017, right now has a big value, so i dont know about 2018 but from first 5 month in 2018 i believe that cryptocurrencies will more success than 2017