What is an NFT?

A non-fungible token (NFT) is a unique and non-interchangeable unit of data stored on a blockchain, a form of digital ledger. NFTs can be associated with reproducible digital files such as photos, videos, and audio. NFTs use a digital ledger to provide a public certificate of authenticity or proof of ownership, but do not restrict the sharing or copying of the underlying digital files. The lack of interchangeability (fungibility) distinguishes NFTs from blockchain

An NFT is a unit of data stored on a digital ledger, called a blockchain, which can be sold and traded.[5] The NFT can be associated with a particular digital or physical asset (such as a file or a physical object) and a license to use the asset for a specified purpose. An NFT (and the associated license to use, copy or display the underlying asset) can be traded and sold on digital  markets.

NFTs function like cryptographic tokens, but, unlike cryptocurrencies such as Bitcoin or Ethereum, NFTs are not mutually interchangeable, hence not fungible. While all bitcoins are equal, each NFT may represent a different underlying asset and thus may have a different value.

Basically, NFT is an proof of ownership, that means owning something digitally 

An NFT allows the buyer to own the original item. Not only that, it contains built-in authentication, which serves as proof of ownership. Collectors value those “digital bragging rights” almost more than the item itself.

First, you’ll need to get a digital wallet that allows you to store NFTs and cryptocurrencies. You’ll likely need to purchase some cryptocurrency, like Ether, depending on what currencies your NFT provider accepts. You can buy crypto using a credit card on platforms like Coinbase, Kraken, eToro and even PayPal and Robinhood now. You’ll then be able to move it from the exchange to your wallet of choice.

investing in NFTs is a largely personal decision. If you have money to spare, it may be worth considering, especially if a piece holds meaning for you.

But keep in mind, an NFT’s value is based entirely on what someone else is willing to pay for it.

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History of NFT's

The first known "NFT", Quantum, was created by Kevin McCoy and Anil Dash in May 2014, consisting of a video clip made by McCoy's wife Jennifer.

That said, approach NFTs just like you would any investment: Do your research, understand the risks—including that you might lose all of your invested money.