Non-Fungible Tokens (NFTs)
Non-fungible is a term used to describe something unique, an item that is unable to be replaced by another equivalent/identical item, as, although they may be "identical" in form or style, there is something that differentiates them from each other, E.g. a unique ID (in the world of NFTs) with its own history of ownership, sale, etc. Conversely, a fungible item (not unique, exchangeable with any other identical item) would be something like a dollar bill; all dollar bills are equivalent to $1, and any dollar bill could be traded for any other, and retain the same value and meaning. A token is a digital representation of an asset on the blockchain. So we can say an NFT is a digital representation of an asset on a blockchain that is unique and cannot be replaced by other similar/"identical" digital representations.
All NFTs are created via a minting process that records all the asset info on the blockchain including a unique ID and assignment of ownership to the minter. The minting can be done in different ways, like opening card packs (such as in Splinterlands and GLG), airdrops of cards/items, and promotions.
Various projects such as Cryptokitties or Cryptopunkz were built around an NFT ecosystem, in order to promote ownership and the trading of digital assets on their platforms.
NFTs in Genesis League Goals
In GLG, NFTs can be found mainly in the form of cards (both Coaches and Players); although multiple cards can be printed for the same player, with similar stats and properties, all of them have a unique card ID which will differentiate them, and provide a history of ownership and sale of each specific card. The 'Item ID' seen below can be found by clicking a card in your collection or the market, and viewing the specific unique individual versions (either owned or listed for sale).
GLG also has Teams, which will be NFTs too. The uniqueness of these is more apparent, as each team is built by a player who decides what coach and players they want to include. If you want to learn more about teams, check out our guides on what a team is, creating a team, and managing a team.