如果您对加密货币和区块链技术^{(blockchain technology)}感兴趣并想从中赚钱，您可能听说过NFT^(NFTs)。它们允许您将艺术品和数字作品转化为NFT代币，然后在NFT市场上出售代币。

在这个分步指南中，我们将向您展示如何创建自己的NFT艺术，以及如何首次在线销售。

什么是 NFT？^{(What’s an NFT?)}

NFT^(NFTs)或不可替代的代币是存储在区块链上的独特数据。NFT 可以是视频、图像、GIF或任何形式的数字艺术。NFT^(NFTs)代表艺术品、音乐和许多其他文件类型的数字所有权。

“不可替代”部分是NFT^(NFTs)与黄金、白银、纸币和加密货币等可替代资产区别开来的原因。它们的可替代性意味着，例如，您可以将 100 美元兑换成任何其他 100 美元，或者一盎司黄金与任何其他盎司黄金具有相同的价值^{(has the same value)}。

NFT^(NFTs)作为数字资产都是独一无二的。你不能将一个NFT换成另一个NFT，这使得它们不可替代。

重要的是要记住，NFT不是对象，而是可以用作所有权证明的字符串。NFT还可以公开证明您的数字文件是真实的，而不是副本。

NFT 是如何工作的？^{(How Do NFTs Work?)}

NFT^(NFTs)需要通过一种称为密码学的技术来创建数字代币。在加密世界中，这个令牌创建过程被称为铸币。通常，要铸造NFT^(NFTs)，您必须付费才能创建智能合约。

智能合约是允许区块链以安全和透明的方式存储信息的软件代码。最终，这些代码管理NFT^(NFTs)的所有权和可转让性。

出售 NFT 的成本是多少？^{(How Much Does Selling NFTs Cost?)}

当您出售NFT^(NFTs)时，您还应该期望在其上花费一些钱。大多数NFT^(NFTs)依赖于以太坊区块^(Ethereum)链进行交易验证，甚至创建NFT也会让你花钱。

出售NFT^(NFT)所需支付的确切金额取决于以太坊的“^{(Ethereum “)}汽油费”，该费用因一天中的时间以及从一个平台到另一个平台而异。虽然您无法避免支付汽油费，但您可以通过等待汽油价格下跌来将其最小化。你可以使用Etherscan之类的网站来了解当前以太坊^(Ethereum)gas 的成本。创建和出售NFT^(NFT)没有固定价格的另一个原因是，NFT的gas 费用还取决于你的数字资产的规模和交易的复杂程度。

*01_etherscan*

在一些NFT平台上，买家通过他们的数字钱包支付汽油费来验证区块链上的交易。在其他平台上，您作为卖家必须支付汽油费来铸造和出售NFT^(NFTs)。虽然没有关于铸造和销售NFT^(NFTs)成本的确切数字，但这里是平均估计值：

• 70 美元生产（铸造）一个 NFT
• 15 美元列出你的 NFT
• 50 美元拍卖 NFT

如果在某个时候你决定放弃出售你的NFT的想法，你还必须为销毁你的代币支付几美元。

有许多不同的平台和区块链，您可以在其中铸造和出售您的NFT ，对于^(NFTs)NFT创建者来说，它们都有自己的优势和劣势。一些最受欢迎的平台是 Rarible、Opensea和Superrare。

在选择适合您需求的平台之前，您需要提前进行研究以了解 Gas 价格和交易费用。虽然NFT创建者中流行的区块链是以太坊^(Ethereum)，但其他流行的选择包括Polkadot、Tezos、Polygon、Binance Smart Chain和Cosmos。 

如果您只是涉足NFT业务，请按照我们的说明使用OpenSea平台和Polygon区块链，因为这种组合允许您免费创建和列出您的NFT（无需支付汽油费）。

如何创建你的第一个 NFT^{(How to Create Your First NFT)}

在您可以创建您的第一个NFT并在^(NFT)OpenSea平台上出售它之前，您需要将您的加密钱包连接到OpenSea。还没有加密钱包^(Don)？不是问题。您可以使用许多服务来创建钱包。Metamask和Coinbase是一些最受欢迎的。它们也适合初学者，让您可以在几分钟内准备好您的Metamask钱包或Coinbase钱包。^(Coinbase)

如何使用 Coinbase 创建加密货币钱包^{(How to Create a Cryptocurrency Wallet Using Coinbase)}

在本教程中，我们将使用Coinbase作为示例。要创建Coinbase加密钱包，请按照以下步骤操作。

1. 打开Coinbase 网站^{(Coinbase website)}。在右上角，选择Get Started。
2. 填写^(Fill)表格以创建Coinbase帐户。完成后，选择屏幕底部的创建帐户。^{(Create account)}

1. 系统会要求您通过电子邮件验证您的帐户。完成此步骤后，您可以开始使用您的Coinbase帐户并将加密货币转移到该帐户。
2. 返回Coinbase网站并登录您的帐户。
3. 在资产^(Assets)下，选择获取钱包^{(Get Wallet)}。

1. 这将提示您安装Coinbase 钱包^{(Coinbase Wallet)}浏览器扩展。如果您使用的是Chrome，请选择添加到 Chrome^{(Add to Chrome)}以继续。

1. 当您打开浏览器扩展时，选择Create new wallet。

1. 确保^(Make)备份您的钱包并将恢复短语保存到您的密码管理器^{(password manager)}或其他您可以访问的地方，以备不时之需。如果您以后忘记密码详细信息，此短语是恢复您的加密钱包的唯一方法。然后按照屏幕上的说明进行初始化，然后完成创建您的Coinbase钱包。

您现在可以从浏览器扩展列表中访问您的Coinbase加密钱包。您可以使用它来快速查看您的加密余额，以及查看您的NFT^(NFTs)和交易列表。

如何在 OpenSea 上创建您的第一个 NFT 集合^{(How to Create Your First NFT Collection on OpenSea)}

下一步是将您的以太坊 ( ETH ) 钱包连接到OpenSea 平台^{(OpenSea platform)}。请注意，您的钱包中不需要任何加密货币，即使您的余额为零，您也可以使用此方法。

一旦您的钱包连接到OpenSea，请按照以下步骤创建您的第一个NFT。

1. 在OpenSea 上^(OpenSea)，您最初需要创建一个NFT集合。为此，请从站点的菜单中选择我的收藏，然后选择^{(My Collections)}创建收藏^{(Create a collection)}。

1. 在下一页上，您需要填写有关您的NFT艺术品的所有重要详细信息。您需要为您的收藏上传徽标图片、特色图片和横幅图片，为您的NFT 提供名称和描述——^{(NFTs –)}所有这些对于吸引潜在买家的注意力都很重要。您还可以为您的OpenSea集合提供自定义^(OpenSea)URL ，这将更容易共享链接。您还可以为您的收藏选择一个类别（艺术、收藏品、音乐、摄影等），甚至可以将您的个人链接添加为NFT艺术家。

1. 在页面下方，您会发现添加创作者收入^{(Creator Earnings)}的重要选项。这是当买家转售您的NFT^(NFT)时您将收取的百分比费用。您可以将其设置为您喜欢的任何值，或将其设置为零。如果您选择添加费用，您还需要填写您的收款钱包地址^{(payout wallet address)}。

1. 下一步是选择区块链。选择^(Blockchain)多边形^(Polygon)以避免支付汽油费。然后选择可用于购买NFT^(NFTs)的支付代币。

1. 最后，选择页面底部的创建按钮以完成您的收藏设置。^(Create)

如何铸造 NFT^{(How to Mint an NFT)}

现在您的NFT集合已准备就绪，您可以在OpenSea上铸造您的第一个^(OpenSea)NFT。

1. 转至OpenSea网站并打开您的收藏。
2. 在右上角，选择Add item。

1. 在Create New Item页面上，将图像、视频、音频或 3D 模型上传到 mint 作为NFT。支持的文件类型包括JPG、PNG、GIF、SVG、MP4、WEBM、MP3、WAV、OGG、GLB和GLTF。最大文件大小为 100MB。

1. 您可以在同一页面上填写有关您的 NFT 的更多详细信息。您可以添加项目描述、包含有关项目的更多信息的网页链接，以及添加只能向项目所有者显示的任何可解锁内容。
2. 填写完所有详细信息后，向下滚动并选择Create。

就是这样，你的NFT将在几秒钟内被铸造出来。在您的NFT铸造完成后，您可以对其进行编辑以更改描述或任何其他详细信息。

如何出售你的 NFT^{(How to Sell Your NFT)}

当您铸造NFT时，您可以在OpenSea上列出它并等待进行首次销售。要出售您的NFT ，请从您的收藏中打开它，然后选择屏幕右上角的蓝色出售按钮。^{(Sell )}

选择您的商品的ETH价格和持续时间。在OpenSea 上^(OpenSea)，您可以设置的最低价格为 2 美元。如果您不希望您的NFT立即可用，您可以将未来的任何一天设置为您的销售开始日期。OpenSea还允许您为特定买家保留您的NFT 。如果选择该选项，则需要填写买家的加密钱包地址。

我们为我们的艺术品设定了一个雄心勃勃的 1ETH 价格。价格和销售期限是您以后无法更改的两件事，因此完成此步骤时不要急于求成。我们建议您先看看周围有多少其他用户要求类似的艺术作品，然后再决定您的作品。

要完成列出您的 NFT，请选择完成您的列表^{(Complete your listing)}。OpenSea将要求您通过您的加密钱包提交您的电子签名。

就是这样，您已经成功在OpenSea上列出了您的第一个^(OpenSea)NFT！但是，铸造和列出您的NFT比实际出售要容易得多。在Opensea 上^(Opensea)，您只能选择销售期限。在Rarible^(Rarible)等其他平台上，您还可以设置定时拍卖或无限制拍卖，以提高您出售代币的机会。

增加机会的另一种方法是在社交网络上拥有追随者，您可以使用它来宣传您的艺术。例如，您可以在Instagram帐户、Facebook页面或专门的^{(specialized)}subreddits上宣传您的^{( subreddits)}NFT^(NFTs)。您可以做一些小赠品来宣传您的收藏并吸引潜在买家的注意。

出售 NFT 的专业提示^{(A Pro Tip for Selling Your NFTs)}

畅销的NFT^(NFTs)大多来自知名艺术家（例如Beeple和他的收藏）和拥有大量追随者的社交媒体影响者。

然而，对于那些刚开始销售NFT^(NFTs)的人来说，还有一种方法可以通过出售他们的代币来获利。创建NFT^(NFTs)时，您需要考虑买家如何在多个领域使用它们。换句话说，你的NFT除了作为存储在区块链上的数字资产之外还有什么价值？

如果它可以以一种或另一种方式在现实生活中使用——那就是一种 NFT，它有可能在买卖双方中流行起来。NFT^(NFTs)就是一个很好的例子，它说明并提高了对乌克兰^(Ukraine)冲突的认识。他们也被用来为慈善机构筹集资金。

How to Create Your Own NFT and Sell It for Free

If you’re interested іn cryptocurrency and blockchain technology and want to make money off of it, you’ve probably heard of NFTs. They allow you to turn pieces of art and digital work into NFT tokens and then sell the tokens in the NFT marketplace.

In this step-by-step guide, we’ll show you how to create your own NFT art, and how to sell it online for the first time.

What’s an NFT?

NFTs or non-fungible tokens are pieces of unique data stored on a blockchain. An NFT could be a video, image, a GIF, or any form of digital art. NFTs represent digital ownership of a piece of art, music, and many other file types.

The “non-fungible” part is what makes NFTs stand apart from fungible assets like gold, silver, paper money, and cryptocurrency. Their fungibility means that, for example, you can exchange $100 for any other $100, or that one ounce of gold has the same value as any other ounce of gold..

NFTs as digital assets are all unique. You can’t exchange one NFT for another NFT, making them non-fungible.

It’s important to remember that an NFT isn’t an object but instead a string of characters that you can use as proof of ownership. An NFT can also publicly certify that your digital file is authentic and not a copy.

How Do NFTs Work?

NFTs require the creation of digital tokens, through a technique called cryptography. In the crypto world, this token creation process is referred to as minting. Typically, to mint NFTs, you have to pay to create smart contracts.

Smart contracts are pieces of software code that allow a blockchain to store information in a secure and transparent way. Ultimately, these codes are what manage the ownership and transferability of NFTs.

How Much Does Selling NFTs Cost?

When you sell NFTs, you should also expect to spend some money on it. Most NFTs rely on the Ethereum blockchain for transaction validation, and even NFT creation can cost you money.

The exact amount of money you’ll have to pay to sell your NFT depends on Ethereum “gas fees” that vary depending on time of day, and from one platform to another. While you can’t avoid paying gas fees, you can minimize them by waiting for gas prices to go down. You can use websites like Etherscan to find out the current cost of Ethereum gas. Another reason there’s no fixed price for creating and selling your NFT is because the NFT gas fees also depend on the size of your digital asset and how complex the transaction is.

*01_etherscan*

On some NFT platforms, buyers pay gas fees to validate a transaction on the blockchain through their digital wallet. On other platforms, you as a seller have to pay gas fees to mint and sell NFTs. While there are no exact numbers on how much minting and selling NFTs cost, here are the average estimates:

• $70 to produce (mint) one NFT
• $15 to list your NFT
• $50 to auction the NFT

If at some point you decide to abandon the idea of selling your NFT, you’ll also have to pay a couple of bucks for destroying your token.

There are many different platforms and blockchains where you can mint and sell your NFTs, all of them have their own advantages and disadvantages for NFT creators. Some of the most popular platforms are Rarible, Opensea, and Superrare.

Before picking a platform that suits your needs, you need to do the research to find out gas prices and transaction fees in advance. While the popular blockchain among NFT creators is Ethereum, other popular choices include Polkadot, Tezos, Polygon, Binance Smart Chain, and Cosmos. 

If you’re just dipping your toes into the NFT business, follow our instructions to use the OpenSea platform and Polygon blockchain, since this combination allows you to create and list your NFT for free (without paying gas fees).

How to Create Your First NFT

Before you can create your first NFT and sell it on the OpenSea platform, you need to connect your crypto wallet to OpenSea. Don’t have a crypto wallet yet? Not a problem. There are plenty of services that you can use to create a wallet. Metamask and Coinbase are some of the most popular ones. They’re also beginner-friendly and allow you to have your Metamask wallet or Coinbase wallet ready to use in just a few minutes.

How to Create a Cryptocurrency Wallet Using Coinbase

In this tutorial, we’ll use Coinbase as an example. To create a Coinbase crypto wallet, follow the steps below.

1. Open the Coinbase website. In the top right corner, select Get Started.
2. Fill in the form to create a Coinbase account. When you’re finished, select Create account at the bottom of the screen.

1. You’ll be asked to verify your account by email. After this step, you can start using your Coinbase account and transfer cryptocurrency to it.
2. Go back to the Coinbase website and log into your account.
3. Under Assets, select Get Wallet.

1. This will prompt you to install the Coinbase Wallet browser extension. If you’re using Chrome, select Add to Chrome to continue.

1. When you open the browser extension, select Create new wallet.

1. Make sure to backup your wallet and save the recovery phrase to your password manager or somewhere else where you can access it in case you need it. This phrase is the only way to recover your crypto wallet should you forget your password details later. Then follow the onscreen instructions to initialize and then finish creating your Coinbase wallet.

You can now access your Coinbase crypto wallet from the list of browser extensions. You can use it to quickly view your crypto balance, as well as see your NFTs and a list of transactions.

How to Create Your First NFT Collection on OpenSea

The next step is connecting your Ethereum (ETH) wallet to the OpenSea platform. Note that you don’t need to have any crypto in your wallet, you can use this method even if your balance is at zero.

Once your wallet is connected to OpenSea, follow the steps below to create your first NFT.

1. On OpenSea, you initially need to create an NFT collection. To do that, choose My Collections from the site’s menu, and select Create a collection.

1. On the next page, you’ll need to fill in all of the important details about your NFT artwork. You need to upload a logo image, featured image, and banner image for your collection, come up with a name and a description for your NFTs – all of that is important for capturing the attention of your potential buyers. You can also come up with a customized URL for your OpenSea collection which will make it easier to share the link. You can also choose a category for your collection (art, collectibles, music, photography, etc) and even add your personal links as an NFT artist.

1. Further down the page, you’ll find an important option to add Creator Earnings. This is a percentage fee that you’ll collect when a buyer re-sells your NFT. You can set it to anything you like, or leave it at zero. If you choose to add a fee, you’ll also need to fill in your payout wallet address.

1. The next step is selecting the Blockchain.Select Polygon to avoid paying gas fees. Then choose payment tokens that can be used to buy your NFTs.

1. Finally, select the Create button at the bottom of the page to finish setting up your collection.

How to Mint an NFT

Now that your NFT collection’s ready, you can mint your first NFT on OpenSea.

1. Go to the OpenSea website and open your collection.
2. In the top right corner, select Add item.

1. On the Create New Item page, upload an image, video, audio, or 3D model to mint as an NFT. The file types supported include JPG, PNG, GIF, SVG, MP4, WEBM, MP3, WAV, OGG, GLB, and GLTF. The maximum file size is 100MB.

1. You can fill in more details about your NFT on the same page. You can add the item description, a link to a webpage with more information about the item, as well as add any unlockable content that can only be revealed to the owner of the item.
2. After you fill in all of the details, scroll down and select Create.

That’s it, your NFT will be minted in just a few seconds. After your NFT’s minted, you can edit it to change the description or any other details.

How to Sell Your NFT

When you minted an NFT, you can list it on OpenSea and wait to make your first sale. To sell your NFT, open it from your collection and select the blue Sell button in the top right corner of the screen.

Select the price for your item in ETH, and the duration. On OpenSea, the minimum price you can set is $2. If you don’t want your NFT to be available immediately, you can set any day in the future to be the start date of your sale. OpenSea also allows you to reserve your NFT for a specific buyer. If you choose that option, you need to fill in the buyer’s crypto wallet address.

We set an ambitious 1ETH price for our piece of art. The price and the sale duration are two things you won’t be able to change later, so you shouldn’t rush when completing this step. We recommend having a look around to see how much other users are asking for similar art pieces before you decide on yours.

To finish listing your NFT, select Complete your listing. OpenSea will request you to submit your electronic signature through your crypto wallet.

That’s it, you’ve successfully listed your first NFT on OpenSea! However, minting and listing your NFT is much easier than actually selling it. On Opensea, you can only choose the duration of your sale. On other platforms like Rarible, you can also set up a timed auction or unlimited auction to improve your chances of selling the token.

Another way to increase your chances is to have a following on a social network that you can use to promote your art. For example, you can advertise your NFTs on your Instagram account, your Facebook page, or on specialized subreddits. You can do small giveaways to promote your collections and get the potential buyers’ attention.

A Pro Tip for Selling Your NFTs

The NFTs that sell well are mostly those coming from established artists (see Beeple and his collection for example) and social media influencers with big following.

However, for those who are new to selling NFTs there’s also a way to profit from selling their tokens. When you create your NFTs, you need to think how the buyer could utilize them in more than one sphere. In other words, what value does your NFT have aside from being a digital asset stored on the blockchain?

If it can be used in real life in one way or another – that’s an NFT that has a potential to become popular among buyers and sell. A good example are the NFTs that illustrate and raise awareness about the conflict in Ukraine. They’re also used to raise money for charities.

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