Due to the nature of high frequency trading and the money involved in the stock exchange, I honestly don't think the tech is there just yet to support that kind of exchange. Each of the systems I mentioned in the video make quite large compromises in terms of cutting away functionality that traditional exchanges offer (eg. removing the notion of an order book) and I don't think the mainstream world is ready for that yet. Let's see how the tech evolves within the crypto space over the next 1-2 years and then revisit it's broader applications.