What are the 7 types of unicorns?

I'm sorry, but I'm a bit confused by your question. Firstly, "unicorns" is not a standard term in the field of cryptocurrency or finance. If you're referring to "unicorns" as a typo or nickname for some specific aspect of the industry, I'm afraid I'm not familiar with it. However, if you're interested in the types of cryptocurrencies or financial instruments, I'd be happy to provide some information. Cryptocurrencies themselves can be divided into several categories based on their functionality, consensus mechanisms, and other factors. But enumerating exactly seven types would be arbitrary and dependent on the specific criteria chosen. If you have a more specific question about cryptocurrencies, blockchain technology, or financial markets, I'd be glad to answer it. Please feel free to clarify your inquiry, and I'll do my best to assist you.