What is the meaning of appx?

Could you please clarify the meaning of "appx" in the context you've mentioned? I'm not immediately familiar with this abbreviation and it's not a common term in the world of cryptocurrency or finance. Is it perhaps a shortened form of "approximately" or "application" in a specific context? Without more information, it's difficult to give an accurate definition. Could you provide some additional details or context in which "appx" is being used?