According to https://www.cnbc.com/2018/04/09/bear-market-in-cryptocurrencies-may-mean-more-focus-on-blockchain.html the best crypto & blockchain investments for 2018 are those focused on strengthening their infrastructure. Accordingly Cardano should have a huge potential. I would add Eos and Stellar to this list. If Ethereum doesnt succeed with switching to Proof of Stake or with implemententing Plasma, I wouldnt be surprised to see it being taking over by Cardano, Eos or Stellar in 2 years from now. Especially with increasing dApp migration to the third blockchain generation. Blockchains main innovation is the establishment of trust and removal of intermediaries. Therefore I see "trust" as the main asset a blockchain needs to bring along, from security up to scalability and efficient contract execution and enforcement. Therefore Ethereum needs to improve drastically its infrastructure in order to maintain the necessary level of trust for the investors. At this moment I wouldnt pay 395 US for an Ethereum... it simply doesnt offer me the neccessary level of trust.
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