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How to Make, Purchase, and Sell NFTs?

NFTs have risen to become one of the most common crypto trends in 2021, with total revenues up 55 percent from $250 million to $389 million since 2020. Here’s how to make, buy, and sell these well-known digital properties.



Non-fungible tokens, which are one-of-a-kind collectible crypto properties, have been around since the idea of Bitcoin Colored Coins was introduced in 2012. These coins were simply satoshis – small fractions of a bitcoin – with unique details that could be used to connect the coins to real-world properties, such as “this satoshi represents $500 of John Doe’s New York office building.” Colored Coins, on the other hand, were primarily used to produce and exchange artwork like “Rare Pepe” digital cards on Counterparty, a peer-to-peer trading network based on Bitcoin’s blockchain.

NFTs can be used to describe almost any tangible or intangible object, such as:

  • Artwork
  • Virtual items within video games such as skins, virtual currency, weapons and avatars
  • Music
  • Collectibles (e.g. digital trading cards)
  • Tokenized real-world assets, from real estate and cars to racehorses and designer sneakers
  • Virtual land
  • Video footage of iconic sporting moments

How to create NFTs

Creating your own NFT artwork, whether it’s a GIF or a picture, is a relatively simple process that doesn’t necessitate comprehensive crypto knowledge. NFT artwork can be used to make collectibles such as digital card sets.

Before you begin, you must choose which blockchain you want to use to issue your NFTs. Ethereum is currently the most common blockchain platform for issuing NFTs. However, there are a number of other blockchains that are gaining traction, including:

  • Binance Smart Chain 
  • Flow by Dapper Labs 
  • Tron
  • EOS
  • Polkadot
  • Tezos
  • Cosmos
  • WAX

Each blockchain has its own NFT token standard, as well as wallet services and marketplaces that are compliant with it. If you make NFTs on the Binance Smart Chain, for example, you can only sell them on platforms that accept Binance Smart Chain properties. This means you wouldn’t be able to sell them on a platform like VIV3, which is built on the Flow blockchain, or OpenSea, which is based on the Ethereum blockchain.

Since Ethereum has the most extensive NFT ecosystem, here’s what you’ll need to create your own NFT artwork, music, or video on the Ethereum blockchain:

  • MetaMask, Trust Wallet, or Coinbase Wallet are examples of Ethereum wallets that follow ERC-721 (the Ethereum-based NFT token standard).
  • Approximately $50-$100 in Ether (ETH). If you use Coinbase’s wallet, you can purchase ether using US dollars, British pounds sterling, and other fiat currencies. You’ll have to buy Ether from a cryptocurrency exchange otherwise. 

Once you have these, you can link your wallet to a variety of NFT-centric platforms and upload the image or file that you want to convert into an NFT.

The most popular Ethereum NFT exchanges are:

  • OpenSea
  • Rarible
  • Mintable

You can also make your own NFTs on Makersplace, but you must first register as a listed artist on the website.

In the top right corner of OpenSea, Rarible, and Mintable, there is a “create” button.

On OpenSea, the world’s largest Ethereum-based NFT marketplace, this is how it operates.

When you click the blue “create” button, you’ll be taken to a screen where you’ll be asked to add your Ethereum wallet. When you enter your wallet password when prompted, your wallet will be automatically connected to the marketplace. To prove you own the wallet address, you may need to digitally sign a message in your Ethereum wallet, but it’s just a matter of clicking through.

There is no charge for digitally signing a message; it is simply a way to demonstrate that you own the wallet.

The next move on OpenSea is to pick “my collections” by hovering over “create” in the top right corner. Then, as shown below, press the blue “create” button.

You’ll be presented with a window where you can upload your artwork, give it a name, and add a summary.

Creating a folder for your newly generated NFTs is all that is required for this phase.

It will appear as shown below once you’ve assigned a picture to your collection (blue). After that, press the pencil icon in the top right corner to add a banner image to the page (red).

Your page should end up looking similar to the example below.

You’re now going to make the first NFT. Use your wallet to sign another message by clicking the blue “Add New Item” button.

In a new window, you can upload your NFT picture, audio, GIF, or 3D model.

You may also add special traits and attributes to increase the rarity and uniqueness of your NFT on OpenSea and many other marketplaces. Perhaps better, creators should have unlockable content that can only be accessed by the purchaser. Passwords to such utilities, coupon codes, and contact details are all examples of this.

When you’re done, click “create” at the bottom of the page and sign another message in your wallet to confirm the NFT’s existence. After that, the artwork should be added to your album.

How much do NFTs cost to produce?

Although making NFTs on OpenSea is free, some platforms charge a fee. This fee is referred to as “gas” on Ethereum-based platforms. The amount of ether needed to perform a specific operation on the blockchain – in this case, adding a new NFT to the marketplace – is known as Ethereum gas. Gas prices vary according to network congestion. The price of gas fees rises in proportion to the amount of people transacting value over the network at any given time, and vice versa.

Top tip: Over the weekend, when less people are transacting value over the network, Ethereum gas fees are slightly lower. If you’re selling several NFTs, this will help you save money.

How to sell NFTs

To sell your NFTs on an online marketplace, find them in your collection, click on them, and look for the “sell” button. By selecting this option, you will be taken to a pricing page where you can specify the terms of the sale, such as whether to hold an auction or sell at a fixed price.

The most popular cryptocurrencies for which you can sell your NFTs are ether and other ERC-20 tokens, but some platforms only support the native token of the blockchain they were founded on. For instance, VIV3 is a Flow blockchain marketplace that accepts only FLOW tokens.

You can program in royalties and choose the ERC-20 token you’d like to earn for selling the NFT by clicking the “edit” button next to the collection picture on OpenSea, signing the message with your wallet, and scrolling down. NFT developers will receive a commission any time the asset is sold to a new individual thanks to royalties. Smart contracts have the ability to instantly build lifetime passive income sources for artists and other content creators.

In order to complete the process of listing NFTs on a marketplace, a fee may be required. Although this isn’t true for every site, it is something to keep in mind when building NFTs.

How to Purchase NFTs

Before you go out and buy NFTs, there are four things you should think about:

  • What marketplace do you intend to buy the NFTs from?
  • What wallet do you need to download in order to connect with the platform and purchase NFTs?
  • Which cryptocurrency do you need to fund the wallet with in order to complete the sale?
  • Are the NFTs you want to buy being sold at a specific time, i.e. via a pack or art drop?

As you may have guessed, certain NFTs are only accessible on some platforms. To buy NBA Top Shot packs, for example, you’ll need to register with NBA Top Shot, build a Dapper wallet, and finance it with either the USDC stablecoin or a supported fiat currency. You’ll just have to wait for one of the card pack drops to be revealed and hope that you can get one before they sell out.

Pack and art drops are becoming more common as a way to sell scarce NFTs to a large audience of eager buyers. Users are usually required to sign up and fund their accounts prior to the drop in order to avoid missing out on the ability to buy NFTs. Pack and art drops can happen in a matter of seconds, so be prepared ahead of time.

Where to purchase NFTs?

Here is a list of the most successful NFT marketplaces in 2021 for crypto traders who are primarily interested in buying NFTs:

  • OpenSea
  • Rarible
  • SuperRare
  • Nifty Gateway
  • Foundation
  • Axie Marketplace
  • BakerySwap
  • NFT ShowRoom
  • VIV3

Is it a safe time to invest in non-fungible tokens right now?

The craze for NFTs is far from done. The UFC and Shawn Mendez have signed deals to unleash their own non-fungible properties soon, and Elon Musk’s girlfriend Grimes has jumped on the bandwagon, selling nearly $6 million worth of digital artwork in minutes.

As more artists, brands, and celebrities flock to the space to build their own exclusive tokens, Messari analyst Mason Nystrom predicts the NFT market will reach $1.3 billion by the end of 2021. Now is a great time to get involved in the market, with more blockchains competing to deliver better NFT services and an increasing number of platforms to choose from.


The NFT Sale of the ‘Kia Sedona’ Goes Sour as the Contractor Allegedly Steals $3 Million

A sale of tokens that could be swapped for “Kia Sedona” NFTs raised $3.1 million. But a contractor for the token sale platform Miso allegedly disappeared with all of the funds.



In the fast-growing market for NFTs, there have been several swindles, frauds, and rug pulls. However, this one strikes out as a little odd.

To begin with, the NFT sale itself was unusual. The entire concept was inspired by a recent meme on crypto Twitter about the Kia Sedona automobile brand (the joke being that the Kia Sedona is a type of hard money). As a result, ten unknown persons built a funky website called “Jay Pegs Auto Mart.” (It was unrelated to the automobile maker in any way.)

DONA reservation tokens were available for purchase. These could be acquired on SushiSwap’s Miso token sale platform, which is run by a decentralized exchange. Out of 10,000 DONA tokens available, each could be exchanged for one 2007 Kia Sedona NFT.

And the token sale went off without a hitch. It raised $3.1 million in ether (ETH), worth 864.8. When the mysterious team of shadowy super coders (another joke) decided to use Miso, they didn’t expect all of their finances to be taken away.

An unidentified contractor placed malicious code into the Miso platform, according to SushiSwap CTO Joseph Delong, changing the destination address for all incoming monies in the token sale to their address. According to Delong, the Jay Pegs Auto Mart sale was the only one affected, and all of the cash raised was stolen.

SushiSwap has urged Binance and FTX to identify the hacker by revealing their KYC information, but they have not done so, according to Delong. He added the platform had directed Stephen Palley, a partner at law firm Anderson Kill, to file a complaint with the FBI if the funds aren’t recovered by 8 a.m. ET.

On the good side, the Jay Pegs Auto Mart Twitter account promised consumers that the Kia Sedona NFTs would still be distributed despite the lack of funds.

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SLAM, a Basketball Brand, Joins the NFT Platform Autograph



Autograph has taken over the world of sports NFTs. Autograph, co-founded by future Hall of Fame quarterback Tom Brady, has signed deals with renowned athletes from various sports. In addition, the platform is teaming up with SLAM this week on the hardwood.

SLAM has streamlined its company into a new digital era and is known for its classic vintage magazine covers dating to 1994. Basketball enthusiasts may get news, unique features, digital material, and apparel through the portal. Without dipping into NFTs, it wouldn’t be complete.

Autograph and Its High-End Partners

Autograph has signed deals with Naomi Osaka, Derek Jeter, Simone Biles, and Tony Hawk in a short period. Top-tier athletes from many sports verticals make up the increasing advisory board. Additionally, autograph just partnered with DraftKings to give the sports betting platform access to NFTs.

According to a press statement issued this week, autograph will be a launch partner for SLAM’s NFT collection of classic magazine covers. Additionally, this will be Autograph’s first foray into basketball, with SLAM serving as a cornerstone for the platform’s introduction into the sport.

SLAM archives of the 300-plus covers that graced the front of SLAM for decades will be featured at NFTs. In addition, the NFTs will be available for purchase on the DraftKings Marketplace, which Autograph powers.

Blockchain Technology Meets Sports Media

Sports and technology are becoming increasingly entwined.

“We’ve been building a portfolio of companies focused on the convergence of sports media and blockchain technology, and this deal sits firmly at that crossroads,” said Matt Aronson, President of SLAM parent company JDS Sports. SLAM’s digital presence has grown to include over twenty social media channels with over 16 million followers. JDS Sports was also an early supporter of Autograph.

Through established partners, Autograph continues to push the fold on sports NFTs. The two have already issued NFTs for Tiger Woods, Wayne Gretzky, Simone Biles, and others through DraftKings Marketplace. Autograph, on the other hand, isn’t content to stop at sports. The platform also announced a relationship with Lionsgate in July. In addition, Autograph will develop digital collectibles for the new flagship movie series later this year due to the agreement.

It appears that SLAM isn’t starting or stopping here, either. In April, SLAM teamed up with rising basketball phenom Zion Williamson. This collaboration resulted in four limited-edition NFTs based on two of Zion’s SLAM cover appearances.

As brands, companies, teams, leagues, and individuals from practically every sport imaginable get involved, the convergence of sports and crypto continues to increase.

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Following Allegations of NFT Insider Trading, OpenSea’s Head of Product has Resigned

After being accused of NFT flipping using insider knowledge, Nate Chastain, Head of Product at prominent NFT marketplace OpenSea, appears to have left the company.



The Product Manager has resigned

Chastain’s Twitter profile has been altered to add the term “Past: @opensea” since he was called out two days ago, implying that the marketplace no longer employs him.

Though there isn’t proof that he was fired from OpenSea because of the allegations, it’s a strong possibility.

OpenSea CEO Devin Finzer has already updated his previous blog post about the event with the news that one of their employees “asked and accepted” his resignation just yesterday for violating their “duty to the community.”

According to the CEO’s update, OpenSea promptly commissioned a third-party investigation after learning of the event and is aggressively adopting its recommendations while the inquiry is ongoing.

Despite growing evidence against him, Nate Chastain has yet to issue a public statement. Meanwhile, the general belief on Twitter seems to be that he is guilty, with some even ‘celebrating his death’ with a fresh CryptoPhunk giveaway. However, despite Chastain’s misconduct, others express gratitude for his work for the NFT community and wish him the best in the future.

The Allegations and the Proof

Nate Chastain was accused of buying OpenSea NFTs with insider information before they were released on the platform’s site, then selling them for a much higher profit.

Chastain purchased the NFTs using burner accounts to conceal his identity; nevertheless, he was detected utilizing blockchain data, which proved that all of his winnings were being transmitted to his public address. Later, OpenSea published a blog post indicating that this “insider trade” had occurred.

Chastain made a profit of 19 ETH, which is worth more than $65k at press time.

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