: Means unique and non-interchangeable. For example, a $10 bill is fungible because you can swap it for another $10 bill; a original painting is non-fungible because it cannot be exactly replaced.

: Trade occurs on marketplaces like OpenSea , Binance , and Magic Eden .

An is a unique digital identifier recorded on a blockchain that certifies ownership and authenticity of a specific digital or physical asset. Unlike cryptocurrencies like Bitcoin, which are "fungible" (interchangeable), each NFT is one-of-a-kind and cannot be replaced with something identical. Core Concepts

To engage with the NFT market, you typically need a digital wallet and cryptocurrency (like Ether or Solana) to pay for transaction fees, known as "gas fees".