Excuse me, but I'm a bit confused about the terminology you've used. As a professional in the field of cryptocurrency and finance, I'm not typically familiar with airport codes or abbreviations related to the aviation industry. However, if I were to take a guess, "XNA" might stand for an airport code, but it's not a universally recognized acronym or abbreviation within the financial or cryptocurrency world.
Is there a specific context in which you've encountered "XNA" and are wondering about its meaning? If so, perhaps it's related to a specific company, organization, or project in the aviation sector that also has some connection to cryptocurrency or finance. Without more context, my best advice would be to check with a resource that specializes in airport codes or the specific industry in question.