A blockchain wonk has gone pundit in a TechCrunch article, predicting that Ethereum’s ETH asset will eventually crash to zero forever. In an unexpected twist, Ethereum co-founder Vitalik Buterin mostly agrees. Jeremy Rubin, the Bitcoin Core contributor who’s lately advising Stellar, launched a public critique of Ethereum and how it operates, calling for the network’s cryptocurrency to ultimately be worthless. He draws a clear distinction between the technology that powers the Ethereum network and the digital asset that represents value moving through it. The kernel of his “ETH to zero” argument revolves around network scalability and security issues that will hold Ethereum back as competitors move ahead. Rubin also invokes…