What is the full form of MTF FTM?

Could you please explain to me what the complete acronym stands for in the phrase "MTF FTM"? I'm trying to understand the terminology related to this topic but I'm not quite sure what it represents. Could you clarify this for me? I'm particularly interested in knowing the specific meaning and usage of these abbreviations in the context of cryptocurrency or finance, if that's where they're commonly used. Your explanation would be greatly appreciated.