Harrison Bader Rare NFT Series

Thanks to Harrison Bader’s team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at [email protected]

Get on the field with the Harrison Bader Rare NFT Series

BreakingT is bringing one of the most unique personalities in baseball to OpenSea with a one-of-a-kind NFT collection. Unlock exclusive experiences and merchandise, including getting to go on the field to meet Harrison Bader during batting practice at a St. Louis game in 2021.

The Harrison Bader Rare NFT Series celebrates the St. Louis outfielder’s outrageous personality and flair for the game with three limited edition NFTs. Each NFT is a unique piece of digital memorabilia created exclusively by BreakingT for Bader and is limited to 16 editions per design — 48 total editions for Bader’s #48 jersey. Collect all three to complete the Bader set!

  • The #1 of 1 GOLD edition of each NFT comes with one pair of batting practice passes to a St. Louis game in the 2021 season, which gets you on the field for a meet-and-greet with Bader!
  • The #1 of 1 BLUE SILVER edition of each NFT comes with one game-used baseball signed by Bader.
  • All 48 editions come with an exclusive Bader T-shirt made by BreakingT that is not available anywhere else.

Each edition has its own auction, sold to the highest bidder. All auctions open Tuesday, March 30, and end Thursday, April 1, at 1 p.m. ET. Just in time for Opening Day! 

Check out Bader rocking the tshirts – 

These NFTs are pure Bader.

#1 Darth Bader 

This NFT celebrates the dark side of Bader

#2 Unchain The Mane 

This NFT celebrates Bader’s signature flowing hairstyle, a favorite of the fans. 

This NFT celebrates Bader’s signature flowing hairstyle, a favorite of the fans

#3 Bader Tots 

This NFT celebrates Bader’s fun personality and crispy nickname 
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Spotlight, March 2021

Each month we’ll be reaching out to new and exciting artists selling their work on OpenSea and asking them to introduce themselves to our growing community. Here’s Valentina Loffredo, Lisa Odette, and SuperNfty!

Twitter | Instagram | OpenSea

Hello, my name is Valentina Loffredo, I am an Italian artist based in Hong Kong. My work is minimal, conceptual and has its very own sense of humour. Keeping things visually clean and simple works for me not only for the aesthetics, but also to leave space to the imagination, to keep the conversation open. Humour, on the other hand, is often my entry point for a deeper conversation.

I have been a full time artist since 2017. My projects have been exhibited with solo shows in Hong Kong and Milan, featured in ‘Personal Structures’ (collateral event of the Venice Art Biennale) and in several group exhibitions and art fairs in Hong Kong, Shanghai and London, including an auction by Sotheby’s. My first photography book “Reality, Curated” has been published by NHP in 2020.

In March 2021, I minted my first NFTs collection on OpenSea!

Twitter | Instagram | OpenSea

I’m a 3D and 2D artist who focuses on exploring the female essence through shapes and colors. My style is recognizable for the very stylized forms, bright colors, pattern design, and an emphasis in the overall geometrical composition of the scenes.

In my OpenSea collection ‘The Ladies”, I compile my personal explorations of woman figures, fashion, pattern design and landscape illustrations, all very geometrical and stylized, always playing with filling the space, even exaggerating the forms of the ladies to achieve this. Among portraits and full body illustrations, some of them are looped short animations that gives life to the scenes and invites the viewer to stare at them longer. Each piece is a 1/1 NFT of my personal works created between 2020 and 2021.

Hi, I’m SuperNfty, a 25-year-old, European 3D-artist. I’ve loved collecting things from a very young age: Pokémon cards, Flippo’s, marbles, anything. Heavily inspired by designer toys, pop surrealism and hype culture, I’ve been quietly designing my own virtual toys for the last 5 years, some of them brought to life through virtual reality and 3D printing. 

The Super Nfty Floating Heads are high quality, animated 3D characters unburdened by gravity. Only 264 will ever be made and every single one will be completely unique (1/1). A fun fact is that I actually make the 3D models for these in VR, in a program called Gravity Sketch. I’d like to view the floating heads as the first project in a long lasting career in collectibles. My number one goal is to keep creating and adding value for my community. It’s been so much fun talking and collaborating with collectors and other artists on Discord, Twitter and Instagram.

I never dared to pursue a career in art until I heard about NFT’s a few weeks ago. Now, I’m completely obsessed with Cryptoart!

If you’d like to suggest an artist or put your collection forward for consideration, don’t be afraid to let us know on Twitter. It doesn’t matter if you haven’t made any sales yet – we’re keen to spread the word about creators minting their first NFTs too!

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EulerBeats | Enigma LP

Thanks to the Treum.io team who created EulerBeats for publishing this article with us! If you’d like to write a guest post for our blog, let us know at [email protected]

EulerBeats first NFT drop called Genesis emerged from obscurity only days of launch. A community of art and music lovers became fascinated with the NFTs and the unique features they shipped with – mainly their ideas around Originals and Prints, bonding curves, on chain art and music, and full commercial rights. Mark Cuban quickly chimed in and called it “the most genius idea ever.” In less than a month the unique royalty technology built by the EulerBeats team which is programmed into the smart contract has paid out over $2mm USD to just 27 of the original holders. 

Mark Cuban on Bankless Podcast

So what is a EulerBeat NFT?

Imagine music as mathematical art on an NFT substrate. This is EulerBeats. The Euler Record is a limited edition set of algorithmically generated art + music based on the Euler number and the Euler-Totient function. Genesis (27 NFTs) and Enigma (27 NFTs) are two sides of the Euler Record. The EulerBeats smart contracts extend the ERC-1155 Ethereum multi-token standard to create non-fungible unique original tokens and a set of fungible print tokens for each original. Both releases share a common mathematical basis, but differ in art, music, and bonding curve structures. The token is the art piece in itself. Everything needed to re-create each masterpiece is stored on-chain on Ethereum. EulerBeats is a careful and creative ensemble of math, art, music, royalties, instantly liquid tokens, and scarcity in a neat digital pack. It’s a first of its kind.

Selection of sample EulerBeats Enigma NFT Originals – courtesy of the Treum.io team

Tell me more about Enigma 🙂

EulerBeats Enigma originals are ultra scarce NFTs and are capped at 27 – completing the other side of the Euler record. The token seed was generated on-chain at the time of creation. The creator’s wallet address and the block hash were part of the inputs into the seed and token generation process. The art + music generation script used the seeds to create the associated art + music for the 27 Enigma Originals. Just like in the Genesis release the team was not able to preview the art + beat before the tokens were minted. While Genesis thrived upon its simplicity and it’s directness – Enigma is about texture and richness shown by its clear composition of different sections and intricacies within each section. We all work long days and listening to the Enigma NFTs is a great way to relax and enjoy – tweet us about how you like them @eulerbeats.  

The auctions

The Auction for 25 of the 27 Ultra Scarce EulerBeats Enigma LP NFTs will be on OpenSea starting Monday 29th at Noon ET. This English-style auction is slated to run for 48 hours and end on Wednesday, March 31st at noon ET. If bidding activity continues during the closing minutes, the auction will extend in 5-minute increments. Once the auction completes and Originals are transferred to the winning bidders, sale of Prints will start through the EulerBeats.com website. One of the 27 Originals is set aside to donate to a community DAO and the other is set aside for the EulerBeats team.

Collection: https://opensea.io/collection/eulerbeats-enigma

For a more thorough examination of the EulerBeats Enigma launch, visit the official website at https://eulerbeats.com

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Klaytn NFTs are coming to OpenSea

At OpenSea, we’re excited to support a growing, cross-chain ecosystem of user-owned digital assets. We’re excited to announce that Klaytn-based NFTs will be coming to OpenSea. Klaytn users will eventually be able to connect to their OpenSea accounts with the Kaikas wallet to start trading Klaytn-based NFTs with KLAY.

What is Klaytn?

Klaytn is a global public blockchain platform developed by Ground X, which is a blockchain affiliate of Kakao, the largest mobile platform in South Korea. Klaytn was conceived to be a hybrid blockchain, with PBFT as the chosen consensus algorithm. Klaytn supports contracts in Solidity, allowing for a smooth transition for Ethereum developers, and easy utilization as well as porting of Solidity development documentations and tools.

Klaytn Development Environment

Klaytn API Service

Klaytn API Service (KAS) launched with the goal of facilitating blockchain development on the part of the service providers. Anyone can easily develop applications using APIs without having to set up a special development environment.

Klip, Kaikas

The wallet ecosystem on Klaytn consists of Klip, a mobile wallet service that can be accessed from the KakaoTalk app without having to install a separate application, making it just as simple as using a messenger app. With Klip, you can store and transfer KLAY, Klaytn-based tokens and NFTs and also access Klaytn-based blockchain applications. Kaikas is a Klaytn wallet in the form of a web browser extension. NFT trading on OpenSea will also be made possible through Kaikas.

Klaytn NFT Ecosystem

In an effort to expand the blockchain ecosystem, Klaytn has entered into strategic partnerships with various partners. Users can easily obtain KLAY directly through MoonPay’s seamless purchase journey, using credit and debit cards, Apple Pay, and more. Additionally, users can explore their NFT portfolios using NFTBank. We’re excited to support the Klaytn team in the expansion of their NFT ecosystem!

Kevin Abosch | 1111

Thanks to the Kevin Abosch team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at [email protected] 

Conceptual artist and crypto-art pioneer Kevin Abosch made news around the globe in 2018 when he tokenized himself on the Ethereum blockchain in the form of 10 million ERC-20 tokens (IAMACOIN). He then made a rubber stamp from the token’s contract address and printed the alphanumeric using his own blood as “ink” on paper while declaring “The very nature of value shall be redefined.” Perhaps the single greatest signal to the world that digital art on the blockchain was here to stay was Abosch’s crypto-token Forever Rose which sold to ten buyers for US$ 1 million in cryptocurrency on Valentine’s Day 2018.


Later in 2018, Abosch’s YELLOW LAMBO, a nine-feet wide yellow neon sculpture comprised of 42 inline alphanumerics perfectly captured the crypto zeitgeist. The sculpture was inspired by the artist’s first non-fungible token (NFT) YLAMBO, a unique, indivisible ERC-20 token. “The token itself is the artwork in its entirety. It’s not connected to any media,” explained Abosch. Abosch became the first crypto-artist to exhibit at the State Hermitage Museum in St Petersberg, Russia for the landmark Innovation as a Method exhibition, also in 2018. “I use generative techniques that leverage cryptography, blockchain technology and deep-learning algorithms as methods in my practice as an artist,” Abosch says. “My work addresses ontological questions around value and identity in response to sociological dilemmas.”

Personal Effects (2018), installation in State Hermitage Museum, St Petersburg


Kevin Abosch brings his latest work 1111 to OpenSea on March 23rd, 2021. While active in the NFT space for the past three years, this is his first time presenting work on a public platform. The work consists of cryptographic keys, some truncated, sublimated into a lingual arcana and a repository of sacred knowledge. “While these works may appear to be static, I believe they are very much alive with emergent intelligence and that time will bear this out,” Abosch says.

The pieces will be auctioned with a reserve price of 1.111 ETH. 111 will be auctioned on Tuesday 23rd March, with the remaining works to be listed at intervals over the coming days. The final 111 NFTs in the collection will not be sold at this time, meaning 1000 will be listed for sale on OpenSea.

For a more thorough examination of the work of Kevin Abosch, visit his official website at https://kevinabosch.com

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OpenSea raises $23M to scale the largest marketplace for NFTs

When we started OpenSea in late 2017, we were excited about the prospect of a brand new economy on the internet. The GDP of the internet is already quite large on an absolute basis, but the internet has distributed its wealth and power in unanticipated and often non ideal ways. Far from the open, wild west days of early web pages and IRC chat, the internet today has consolidated around business models that rely on storing proprietary user data in the cloud. There’s a growing feeling that there are still critical building blocks missing from the internet — building blocks that could provide foundations  for more vibrant, open economies in the digital world.

Blockchains provide those building blocks, and non-fungible tokens (NFTs) are giving us a taste of their power.

The NFT is a basic primitive for an open digital economy. NFTs are digital goods (think digital art, game items, domain names, and more) with brand new properties: they’re unique, provably scarce, liquid, user-owned, and usable across multiple applications. Simple but powerful, this new primitive is ushering in a renaissance in the digital world.

The internet is starting to feel truly alive again.

Creators, musicians, artists, influencers, and gamers are diving headfirst into NFTs. Hundreds of thousands of new users are discovering, collecting, curating, and trading NFTs on open marketplaces. Over just the last six months, transaction volume on the OpenSea NFT marketplace has grown over 100x.  We’ve had the fortune to work with hundreds of projects and creators: from game companies to digital artists to musicians to professional athletes. The world is waking up to the power of this technology, and it’s happening quite suddenly.

At OpenSea, we are growing and shaping this economy by building the world’s best, largest, and most trusted marketplace for this new type of digital asset. Over the coming years, billions of people will be introduced to digital ownership, and we’ve built OpenSea as a trusted entrypoint into that world.

And we don’t want to do it alone. As we like to say: build an ocean, not an aquarium. Any NFT project or creator can plug into our marketplace without being wedded to a particular platform. The 20 million+ NFTs you can trade on OpenSea are not owned by OpenSea, they are owned by users. This is a huge paradigm shift, and the first glimpse into a world where users, not corporations, control their own data.

To help make this vision a reality, we’re excited to announce our $23M fundraise, with an incredible set of partners to support us on this journey. Andreessen Horowitz brings deep knowledge in crypto and unparalleled passion and devotion to the emerging web3 ecosystem. Innovative angel investors and leaders such as Naval Ravikant, Mark Cuban, Tim Ferris, Belinda Johnson, Ben Silbermann, Alexis Ohanian, and Balaji Srinivasan; crypto natives Standard Crypto, Linda Xie, Avichal Garg, and Flamingo DAO; creators like 3LAU, RAC, and Justin Kan; and NFT thought leaders like Andrew Steinwold, Metapurse, and Bill Lee are all partnering with us on this journey. Our existing investors, including 1Confirmation, Pascal Capital, Blockchain Capital, Regan Bozman, Kevin Hartz and Dylan Field from Figma, continue to provide their support through their participation in this round. A huge thank you to a fantastic group of investors.

If you are excited about the potential of true digital ownership, we are actively hiring. Check out our open roles and come join us to build the biggest economy on the planet.

Keeping yourself safe when buying NFTs on OpenSea

It’s essential that users feel confident when purchasing NFTs on OpenSea. This article looks at what we’re doing to keep users safe and highlights some tips to keep in mind before you bid or buy.

Remember to double-check the URL when clicking through to the OpenSea.io website, and never share your wallet’s secret recovery phrase.

Our approach to user safety

OpenSea is open to all. Anyone in the world can create and sell an NFT without approval from any central authority. This is one of the key differentiators when comparing OpenSea to sites like Amazon or eBay and other curated NFT platforms like SuperRare and Nifty Gateway, and why many are excited about the potential of the underlying technology.

As with any other young industry, there are issues to work through if we’re to succeed in our mission of changing the way media is exchanged on the internet. In a decentralized world, making sure consumers fully understand the risks they are taking on is key to the health of the wider space.

Key features and practises

Monitoring the platform – our Trust & Safety team actively monitors the platform and removes malicious content and scams as soon they’re discovered. We are also working to introduce robust automated technologies to scale the process efficiently.

Reporting – our report tool allows users to flag NFTs to our Trust & Safety team. This includes inappropriate content and stolen work.

The report tool can be accessed via the three dots on every NFT page

Warnings in the checkout flow – to ensure buyers understand that OpenSea reserves the right to remove content that infringes on our Terms of Service at any point, we’ve added an extra step to our purchase flow. You’ll be asked to click two checkboxes confirming that you agree to OpenSea’s Terms of Service and acknowledge that OpenSea hasn’t checked the item you are purchasing. We’ve also added a page showing key info, such as when a collection was made and the number of previous sales.

Clicking “Show all details” reveals additional information shown in the image below

Do your own research

Social media – If you see an NFT you’d like to purchase, click the collection name at the top and check if the creator has added social media accounts. If they have, look for the OpenSea collection URL on their profile. If they haven’t shared the link, there’s no harm in sending them a DM to learn more about them as a creator and make sure they created the collection.

Researching the backstory is part of the fun

Chain info – checking the smart contract info is a great way to be sure you’re buying the correct NFT. Reach out to the creator for clarity on the smart contract and token ID, and make sure it’s the same as what you see in the Chain Info section on the NFT page.

The Chain Info section can be found on every NFT page. Shown above is Meme’s official contract

Mintable warning icon – some OpenSea collections, like Rarible and Cargo, are referred to as ‘mintable’ collections because users are able to freely mint onto shared smart contracts. The assets are not vetted, so you should always proceed with caution. The mintable warning icon is a yellow circle with an exclamation mark in the middle as shown below.

This is a great example of a fake NFT minted onto a shared contract on platforms like Rarible, Mintable, and Cargo

Verified collections – some collections have blue verification ticks on their NFT pages. These ticks are added to high-profile collections and are in place because we have judged that there is a higher chance of fakes being created elsewhere across the market. When a high-profile public figure releases NFTs on OpenSea, replicated NFTs may appear in ‘mintable’ collections like Rarible and Cargo. We will remove these items as soon as we can, and you can flag them to our user safety team via the report tool.

If you have any thoughts on how we could improve our approach, feel free to join our Discord and let us know in the #suggestions channel. To keep up to date with the latest news, track us on Twitter and Instagram and sign up for our newsletter.

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Art Blocks

A venue for generative art hosted and authenticated immutably on the Ethereum blockchain

Thanks to the Art Blocks team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at [email protected] 

Introduction to Art Blocks 

Generative art, also known as code art or algorithmic art, is the process of using lines of computer code, as opposed to human hands, to create a visual output. While a painter might spend 20 hours meticulously controlling a brush to produce a single work of art, a generative artist might spend those same 20 hours programming a computer to draw their desired output to a screen. This is significant, because after that coding is complete, the artist can then generate seemingly endless iterations of that original output by changing only a few variable elements in the code. This is usually done by assigning random values to these variables, and so an artist might sit in front of the computer and press the [ENTER] key over and over reviewing the possible outcomes and picking the best ones to share and publish.

Art Blocks is hosting generative/algorithmic art like what is described above, however we have a slightly different process for publishing artwork than what has been historically available for generative artists. 

Archetype #213“, sold for 25 ETH

Prior to the existence of Art Blocks, a generative artist would write an algorithm, and then once satisfied with the results would generate various iterations manually and explore them to either pick one (or a handful) to publish, or go back to the algo and generate some more iterations. In the crypto art world, the artist would then “mint” the artwork as a non-fungible token (NFT) on a platform and then announce the new piece to the world. The minting process generally happens by uploading the artwork to IPFS or another distributed storage platform, and then taking the hash of the image, which is used to verifiably prove authenticity of that exact image, and permanently associating it with the NFT. This is the most common process for publishing artwork using blockchain technology, and while the information stored on the token cannot directly be used to reproduce the artwork itself, that information can be used to prove that an artwork is in fact the genuine content that is represented by the purchased token.

Art Blocks takes a purely blockchain native approach to generative art by removing various of the steps noted above. When an artist deploys a project on the Art Blocks platform, they simply upload the generative algorithm to the blockchain. That algorithm is the same one that the artist might have used to generate outputs before, however it is missing the randomly generated variables that make each output unique. 

These variables are instead stored on an NFT token in the form of what we call a “hash string”. This sequence of hexadecimal characters acts as a seed that provides the artist’s algorithm all of the variables it needs to produce deterministic and authentic works of generative art. A hash string might look like this: 


The algorithm is useless without the seed, and the seed is useless without the algorithm. 
So when you view the “live script” of an Art Blocks piece, your browser is being served a combination of the artist’s algorithm AND the seed that controls the various components of the artwork that make the artwork unique. In real time. The expectation with Art Blocks pieces, particularly the “Curated works”, is that the same token seed will produce the exact same output forever, no matter what. This is why we refer to Art Blocks pieces as being “deterministic”. Each seed should produce a verifiably unique output, and that output must be identical every time it is produced with the same seed. 

On Art Blocks, the artist essentially gives up control of the outputs when he or she uploads an algorithm to the platform. So when a user comes to purchase a piece of art, they are generating that artwork at the time of purchase. Every single purchase is unique and creates that non-fungible token (NFT) which uses blockchain technology to prove ownership and guarantee unique results for each piece.

One way to look at it is like a vending machine for art where you choose a project because of the overall aesthetics, but don’t actually know what you’re going to get until it is generated by your purchase.

Curated vs. Non-curated Projects 

Originally Art Blocks was going to be a host for anyone that wanted to create generative content on the Ethereum blockchain. While being an open and diverse platform is still the goal, the unexpected early success of Art Blocks and strong participation of the collector community has prompted a shift towards starting with a more curated approach. This means we would like to maintain a high quality level for the content that will be promoted as an official “drop” on the Art Blocks platform. 

These drops have found a rhythm of happening roughly once a week. When I first announced Art Blocks to the community, the intention was to initially release projects on a monthly basis, or even less, depending on demand. Well, that demand has proven to be well above initial expectations, both in terms of the speed in which the drops sell out and the flood of incredible generative content coming through our application process. We are already working with artists that I genuinely thought would not be interested in Art Blocks for at least a year after launch. As a result, we have created a curation board to help navigate which projects are deemed strong enough to fall within the official “Art Blocks Curated” collection.

This curation board is there to help refine the projects that are launched on Art Blocks in an attempt to satisfy the best interests of both the artists and the collectors of the artworks, while helping maintain the integrity of the platform itself. Given the incredible opportunity that blockchain technology creates for transparent and decentralized voting protocols, we intend to eventually migrate the board decision making process to something more in line with blockchain voting. We might be a ways out from that, but definitely something to look forward to as the project grows!

Besides curated artworks on the platform, we have a couple of other avenues for artists to express their generative creativity. One is the “Artist Playground” section which is used to showcase works from artists that have been previously curated. There are some rules to participate, but mainly this section only allows for an artist to deploy one project at any given time and must sell the entire thing before being allowed to deploy another. The purpose of the playground is to eventually have a nice section of Art Blocks where a collector can casually browse and experience generative art without the rush and competitiveness of the curated pieces. These are of course genuine Art Blocks pieces but not considered part of the official curated set so that collectors can concentrate on either keeping up with the curated elements of the platform or possibly collecting works from a single artist instead. 

Gen 2 #78“, listed for 0.6 ETH at the time of writing


Art Blocks artworks are creating an interesting “collectible” opportunity for art. Seeing the strong collector mentality in the crypto space it is not surprising that people are putting together Art Blocks collections as “sets”, particularly of the Art Blocks curated pieces. The reason this is possible is the high number of unique pieces that are created during each new drop plus the added excitement that each piece is guaranteed to be unique within each drop. It is like the volume potential of ERC1155 tokens as a collector item but with originality between each mint. 

There have been plenty of models of collectability in the sports and gaming space, but in the art space Art Blocks is creating a compelling model for collecting art. The fact that a platform like CryptoSlam, which is dedicated to tracking collectibles and has been looking for an entry into the crypto art arena, has listed Art Blocks is further validation of the potential for Art Blocks to be a staple in the collectible world. At the same time, Art Blocks is all about the art itself, so the fact that a collectible can also be a potentially historic piece of generative art is a beautiful thing! Especially when the art/collectible is stored on chain giving it a “premium” place in terms of value and immutability. 

We are currently in the middle of our second series of Art Blocks which constitutes all of the curated pieces launched between January 1, 2021 and the end of March. The 2020 series, which is a very limited set of 6 artworks, is enjoying extra attention as the very first Art Blocks curated set. Look for sets to be capped on a quarterly basis and contain roughly 10-12 curated pieces each. 


One last feature that I’m excited about with Art Blocks is the potential for interactivity. While not all generative artworks on the platform are interactive, the fact that the NFT is actually a script being run in your browser enables features that go well beyond the capabilities of traditional graphic based NFTs. Curated works including Chromie Squiggles, Dynamic Slices, Ignition, Nimbus, HyperHash, Unigrids, and Spectron are interactive and or animated! These are not animated GIFs, but live generative animations. For example the Ignition piece by artist ge1doot can be spun and zoomed in and out of, and if you click and hold you’ll see the lasers turn on and off at your command. You can run these artworks at any resolution and be experiencing the art in full resolution similar to how a vector piece can be scaled infinitely without loss of quality. All curated pieces are required to be resolution agnostic for this purpose. We are looking forward to pushing the boundaries of NFTs and digital asset ownership with the limitless potential that script based works running on the Art Blocks platform can provide.


Art Blocks home base is our Discord server. Please join us there to keep track of our roughly weekly curated drops as well as the incredible work being deployed by previously curated artists in the Artist Playground. There is an events channel where you can sign up for reminders about upcoming curated drops as well as individual channels for each artist where they will independently announce their playground works. Please also follow us on cryptoTwitter and Instagram for the latest happenings on the platform.

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Gronk x Medium Rare x OpenSea

Thanks to Gronk’s team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at [email protected] 

Several weeks ago our client, business partner, and friend – Rob Gronkowski approached us with the idea of creating his own digital trading card. Rob was tracking the success of NBA Top Shot and didn’t understand why this wasn’t already happening within football. We at Medium Rare fully agreed with Rob and knew there was a huge opportunity at hand to create something incredibly special that his fans can be a part of. From that moment forward we were full speed ahead on concepting and creating Rob’s NFT. We sat down with Rob and identified key milestones in his career, picked his most iconic plays from those games, and nailed down an art direction that would match his style and tell his story. We also wanted to do something unique and new for the NFT space – and came up with the idea of having Rob digitally autograph his NFTs and having each card individually hand numbered. With the concept and creative direction knocked down we then brought in one of Rob’s favorite illustrators, Black Madre, to help bring our collective vision to life. 

Lastly, we worked with the OpenSeas team to formulate an on-sale gameplan and figure out the best way to get our creation out to Rob’s fans and collectors across the globe. From idea to execution in less than 3 weeks, it’s been very fun, full of sleepless nights, and as Rob says, harder than winning 4x championships!

-Rob, Adam, Joe, and Troy

Medium Rare 

Gronk Championship Series NFTs

The NFT series celebrates GRONK’s four Championships (XLIX, LI, LIII, LV) and legendary career with five unique trading cards. GRONK parlays his on the field success into the entrepreneur and digital memorabilia space, as the first major US professional athlete to commission, own, and sell his own NFT series. Each card in the series is certified by Gronk and generated on the Ethereum blockchain, so there is provable scarcity. Extremely unique to the NFT market, every card is digitally hand signed by Gronk and individually numbered.

Each of the cards are a unique piece of memorabilia, the crown jewel of the drop is the rare 1-of-1 Rob Gronkowski Career Highlight Refractor Card. The one-of-a-kind card commemorates all four of Gronk’s Super Bowl Championships, is digitally signed by Gronk, and is limited to just one edition. The highest bidder of the 1-of-1 Career Highlight Refractor Card NFT will also receive the opportunity to meet Rob in person and attend a game as his guest! 

The Championship Cards 

  • 2014-2015 Super Bowl XLIX Championship – Limited to 87 edition
Click here to view the NFTs

  • 2016-2017 Super Bowl LI Championship – Limited to 87 editions 
Click here to view the NFTs

  • 2018-2019 Super Bowl LIII Championship – limited to 87 editions 
Click here to view the NFTs

  • 2020-2021 Super Bowl LV Championship – Limited to 87 editions 
Click here to view the NFTs

  • All Four Super Bowl Championships – Career Highlight Refractor Card – Limited to just one edition 
Click here to view the NFT

The Auction Details 

All of Rob Gronkowski’s NFTs will be available for auction on GRONKNFT.com and via OpenSea. The auction will open this Thursday (3/11/21) at 7PM ET and run for 48 hours, closing this Saturday (3/13/21) at 7PM ET. All editions will be sold to the highest bidder, English auction style. Users may place bids across multiple editions as soon as the auction begins. 

The auction will close after 48 hours – endingIn order to bid you must pay using Ethereum, the auction will not accept credit cards. 

The Gronk Drop Buzz 

“Gronkowski is the first pro athlete to offer non-fungible tokens” – Fox News

“Gronkowski will sell NFTs of his best Championship moments” – CNBC 


“Gronk brings sports memorabilia into digital age with NFT trading cards” – Reuters 

“Gronk play football. Gronk party hard. Gronk mint NFTs.” – Decrypt 

“Gronkowski was the ‘visionary’ behind the project (NFTs) and was involved in the creative process” – The Block

 Medium Rare 

Focused at the intersection of Sports & Entertainment, Medium Rare partners with global icons to build entertainment brands. Medium Rare is proud to partner with GRONK on this historic NFT and manage the design, creation, and execution of the campaign. Medium Rare is the creator and producer of global brands including: The SHAQ Bowl, Guy Fieri’s Restaurant Reboot, Shaq’s Fun House, Gronk Beach, Black Entrepreneurs Day, The Sports Illustrated Awards, SHAQ vs GRONK, and more.

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Rap x Basketball x NFTs

Thanks to the Open Run team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at [email protected] 

B/R Open Run

This weekend, as an unofficial tip off to NBA All-Star Sunday, Bleacher Report will host the B/R Open Run Presented by Modelo ® Beer, bringing together hip-hop’s biggest hoopers in a first-of-its-kind, 2v2 matchup where Quavo and Jack Harlow will team up against 2 Chainz and Lil Baby for the chance to win $500k. The event will live stream Saturday, March 6, at 8 p.m. ET, exclusively on the B/R app and on Twitter via @BleacherReport.  

Exclusive NFT Drop 

The Bleacher Report NFT collection on OpenSea will launch on Saturday, March 6 at 12 p.m. ET as part of the B/R Open Run event in collaboration with 2 Chainz, Quavo, Lil Baby and Jack Harlow. These basketballs can be displayed and interacted with in a 3D virtual environment at RareRooms.

Full collection here: https://opensea.io/collection/open-run 

The basketballs will be minted in two groups:

  • GOLD Edition Auctions – 10 Limited Editions per rapper that come with a matching physical version
  • SILVER Editions Set Price – 150 per rapper

How it’s going down

GOLD Edition Auctions

These auctions will go LIVE Friday evening and will end at 30 minute intervals on Saturday going from Edition #10 to #1.

Auction End Time

#10s Sat 5:00pm ET

#9s  Sat 5:30pm ET

#8s Sat 6:00pm ET

#7s   Sat 6:30pm ET

#6s Sat 7:00pm ET

#5s  Sat 7:30pm ET

#4s   Sat 8:00pm ET

#3s Sat 8:30pm ET

#2s  Sat 9:00pm ET

#1s  Sat 9:30pm ET

To redeem the physical version of the basketball, you must hold ownership of this NFT on May 1, 2021. Instructions to redeem will be available for those holding the GOLD NFT on/after May 1st. 

SILVER Editions – Set Price

Each rapper has 150 SILVER Edition basketballs. These will all go on sale at 12 pm ET for a set price of 0.4ETH.

2 Chainz

Click here to view the NFT


Click here to view the NFT

Jack Harlow

Click here to view the NFT

Lil Baby

Click here to view the NFT

Show off your Basketballs in RareRooms

Bleacher Report collaborated with RareRooms to allow collectors to show off their basketball collection in a 3D virtual room. Anyone that collects an Open Run NFT will get access to a brand new RareRoom type – a larger, more open environment where these balls really shine. 

Check out the room with the GOLD basketballs here.

RareRooms are immersive, 3d environments for collectors, artists and admirers to experience digital art and collectibles. Set up is instant – we discover the pieces you own automatically from the blockchain and put them in your RareRoom. 

RareRooms changes the way you experience your digital collection. 


Bleacher Report is the #1 media brand for today’s young sports fan, living at the intersection of sport and culture, and always looking for ways to innovate and entertain a hyper-engaged audience of more than 200 million. 

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