Excuse me, could you please clarify what you mean by "the value of a unicorn in dollars"? Are you referring to a hypothetical scenario where unicorns were to be traded as assets, or is there a specific context in which unicorns are being valued financially? In general, unicorns are mythical creatures and do not have a tangible, monetary value in the real world. However, if you're asking about the valuation of a startup company that has achieved a valuation of over $1 billion, often referred to as a "unicorn" in the tech industry, then the value would depend on various factors such as revenue, growth potential, and investor sentiment. Could you please provide more context for your question?