NFTs have been used mainly as an alternative form of cryptocurrency. That asset could be anything from a digital baseball card to a digital house deed. The idea is simple: Instead of a blockchain securing a digital currency like Bitcoin or Ether, it secures a unique digital asset, just like a physical object. In contrast, each NFT is unique and cannot be exchanged with another identical token. The word "fungible" is used in economics to describe a good or asset that can be interchanged with other identical goods or assets for example, a kilogram of crude oil is interchangeable with any other kilogram of crude oil, and one kilogram of gold can be exchanged for another kilogram of gold. Execute nvm use, if you have Node Version Manager.A non-fungible token or NFT is a specific kind of cryptographic token or digital asset - in essence, any digital asset can become an NFT.
Switching to Node.js version 16 is required for SDK Version 3.0+ and to make sure common crypto dependencies work. Then you can create orders off-chain or fulfill orders on-chain, and listen to events (like ApproveAllAssets or WrapEth) in the process. Get started by requesting an API key and instantiating your own OpenSea SDK instance. It allows developers to access the official orderbook, filter it, create buy orders ( offers), create sell orders ( auctions), and complete trades programmatically. This is the JavaScript SDK for OpenSea, the largest marketplace for NFTs. You don't have to deploy your own smart contracts or backend orderbooks.
These can be ERC-721 or ERC-1155 (semi-fungible) items. With OpenSea.js, you can easily build your own native marketplace for your non-fungible tokens, or NFTs. A JavaScript library for crypto-native ecommerce: buying, selling, and bidding on any cryptogood.
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