There are fundamental problems with Ethereum which are not addressed in the article.<p>* No guarantee of transaction execution<p>* Turing-complete smart contracts are slow<p>* Scaling is a moonshot<p>* Oracles break the trust model<p>* Public blockchains struggle to stay decentralized<p>More here:<p><a href="https:&#x2F;&#x2F;makebitcoingreatagain.wordpress.com&#x2F;2016&#x2F;02&#x2F;10&#x2F;5-challenges-facing-smart-contracts&#x2F;" rel="nofollow">https:&#x2F;&#x2F;makebitcoingreatagain.wordpress.com&#x2F;2016&#x2F;02&#x2F;10&#x2F;5-cha...</a>