Also smart contracts on top of Bitcoin and Ethereum have some fundamental problems.<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>