FOMO (Fear of Missing Out): FOMO is a psychological phenomenon where individuals experience anxiety or fear that they will miss out on a potentially profitable opportunity. In the crypto space, FOMO often plays a role in market movements, as investors may rush to buy a particular cryptocurrency due to the fear of missing out on potential gains. 

Floor: In the context of the NFT (Non-Fungible Token) market, the term "floor" refers to the lowest listed price for a particular type of NFT within a marketplace. The floor price represents the least expensive NFT available for purchase within a specific collection, category, or platform. 

"FUD":  In the context of cryptocurrency stands for "Fear, Uncertainty, and Doubt." It is a term used to describe the spreading of negative or misleading information with the intention of creating fear, uncertainty, and doubt in the minds of investors or the wider community. FUD is often employed as a tactic by individuals or groups to manipulate market sentiments, influence prices, or undermine confidence in a particular cryptocurrency, project, or the overall market.   

Fork: A fork in the context of cryptocurrencies refers to a divergence in the blockchain, resulting in two separate chains with a shared history up to a certain point. Forks can be soft forks or hard forks, and they are often implemented to introduce new features, fix bugs, or resolve contentious issues within a blockchain community. 

Fungibility: Fungibility is a property of certain assets or goods that means each unit is interchangeable and indistinguishable from every other unit. In the context of cryptocurrencies, fungibility is important for a currency to function effectively. Bitcoin, for example, is considered fungible because each unit is interchangeable with any other Bitcoin, making it a reliable medium of exchange.  

Flippening: A term used to describe a hypothetical event where one cryptocurrency surpasses another in terms of market capitalization, potentially leading to a shift in dominance.