Integrating Torus with OpenSea

Thanks to the Torus team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at contact@opensea.io.


Torus is proud to announce our latest DApp integration with OpenSea! The biggest ERC721 Non-Fungible Token marketplace on the Ethereum blockchain! Users are able to buy, sell, make bids, and auction over 10 million unique digital collectibles on OpenSea.

Logging into OpenSea

Users who have yet to get their first NFT can head straight to the OpenSea site from the card within the Torus wallet in the Collectibles tab.

There, they can choose to log in with their Torus account.

Once you’ve logged in and purchased your first few collectibles, you’ll be able to view all your items on your account page.

Selling Digital Collectibles and Creating Auctions on OpenSea

OpenSea’s collectible marketplace is made up of sales created by NFT owners. On the page of assets they own, users can choose to create listings.

The user will need to select an existing digital collectible from their wallet, configure their sale, then click the “Post your listing” button.

Subsequent pop-ups appear, requesting the user to confirm the transaction to create the listing on OpenSea, and may need to enable pop-ups in their browser settings and ad blockers to do so. When the item is successfully sold, the user will be notified of a successful sale, and the tokens would be transferred directly to the buyer’s wallet!

Buying Digital Collectibles from OpenSea

Users can browse from over 200 categories of digital collectibles from OpenSea, from CryptoKitties, to plots of land in Decentraland, to cards from the popular Gods Unchained trading card game. Once they have found the item that they wish to purchase, they can either place a bid on an auction or buy the item for the listed selling price, depending on the listing’s type.

Once the user has configured their bid or chosen to buy the digital token at a fixed price, they’ll need to sign the subsequent pop-ups, authorizing the transaction. They may need to enable pop-ups in their browser’s settings if they find themselves stuck in this process.

Once the transaction has been confirmed, the user will be able to see the progress of their transaction, which may take some time for the Ethereum network to process. Once successful, the item will be automatically sent to the user’s wallet, and the item’s price will be automatically deducted from their wallet.

Users can start trading rare collectibles on OpenSea’s marketplace, complete their collections of digital assets, or sell the items that they’ve earned from other DApps! Check out this article for an in depth look at using OpenSea.

Buy Digital Collectibles from OpenSea to Win Prizes! (18th — 22nd May 2020)

To drive awareness to our latest integration with OpenSea, users purchasing NFTs from OpenSea are eligible to win $500! Users who send out their referral code to their friends and get them to log in to Torus get increased chances of winning!

Bonus: $200 Retweet campaign

20 lucky participants would win $10 worth of ETH each!

  1. Follow @OpenSea and @TorusLabs on Twitter
  2. Retweet the pinned tweet
  3. Tag 3 friends in the comments and hashtag #OpenSeaTorus

Join our Community

Join our community for updates on more integrations and drop us a line on any of our social channels if you are keen on integrating Torus with your own DApp.

You can find Torus on Twitter, Telegram, Facebook, LinkedIn, Instagram, YouTube, and Reddit.

Log on to OpenSea with Torus here!

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Async Art – Paving the Way for Programmable, Dynamically Changing Art on the Blockchain.

Thanks to the Async Art team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at contact@opensea.io.


Back in February when we first launched Async Art in a modest gallery in front of a global livestream audience, we had no idea that this platform would catch fire so quickly throughout the cryptoart community. We wanted to share a whole new way to create, collect, and experience digital art. If there is any indication in the last several weeks, it is this: the concept of programmable art is not only understood and accepted but can be expanded upon to include even more possibilities in the future.

Before we dive deeper, let’s take a step back and review the core concepts behind Async Art.

How Blockchain Makes This Possible

Blockchains are public infrastructure that enable digital, verifiable, and immutable transactions to be conducted between authenticated users. They’re a global, agreed-upon source of truth which anyone can read and write to.

When an artist mints their work on Ethereum, they’re deploying a single piece of media which at any time can verifiably show who created it and who currently owns it. It becomes a tradable, digital token (NFT) which the artist can then sell and which collectors can use to prove ownership.

Art that is Programmable 

When an artist mints programmable art, they’re instead deploying a set of instructions for how their finished media should be rendered. These instructions can be modified via layer tokens, with abilities like state change, positional movement, or color alteration.

Why Does It Matter?

Digital art is constantly emulating the same capabilities and functions of the physical art world. From custom Photoshop brushes that copy watercolor textures to digital VR galleries that simulate the feeling of viewing a physical work, it’s always following a precedent set by real world constraints.

With the advent of programmable art, digital art now has the capability to surpass that of the traditional. Art can now be shared between multiple owners who dynamically change it across space and time. A whole new dimension has been opened for the digital realm which has never been possible before.

How does Async Art work?

An Async Art piece consists of two token types: the Master and its Layers. Master tokens denote ownership of the entire piece while Layers are what compile to generate the final image.

Take “First Supper” as an example. This is our largest Async Art collaboration with 13 different artists contributing 22 Layers. It’s currently owned across 10 different collectors.

Layer 1 or “Wallpaper” contains the background wallpaper. This has multiple states, all provided by the artist, Shortcut.

Layer 9 (“About Cats and Fingers”) by MLIBTY contains the ceiling and giant finger that the owner can horizontally move and rotate within the artist’s pre-defined constraints to point at any of the guests sitting at the table.

The piece takes on new meaning each time it changes.

An Async Art piece will look completely different weeks, days, or even hours after it’s created. It’s owners can be distributed across the globe separated by space and time, all whilst collaborating through a shared language that the original artist has defined for them.

Autonomous Artwork

A couple of weeks ago we released the first ever autonomous Async artwork. The difference here is that autonomous artwork has Layers updated via a server that periodically pushes transactions rather than human input. The server is running open source code and is referencing real world data to determine its changes.

For example, “TXU.TOTEM” and “Day/Night” are programmed to trigger visual changes at 6AM and 6PM to mirror day and night cycles. TXU.TOTEM is tied to the UTC timezone while Day/Night’s timezone can be determined by one of its Layer tokens.

There are other autonomous pieces like “Dictatorship” where the viewer has a window into the artist’s personal world where different characters and events unfold based on the day of the week, month, or even season.

In “Masked”, a woman is portrayed reading a magazine while wearing a face mask. The opacity of the face mask will increase or decrease in opacity each day based on the newly confirmed cases of COVID-19 as released by the John Hopkins CSSE.

What’s Next?

With autonomous artwork, we’ve introduced the concept of “Gas Tanks”, a public ETH address that helps fund the transactions that render the autonomous changes in the artwork.

Just like a physical painting that needs to be maintained or a vintage watch that needs to be wound, an autonomous artwork needs upkeep. Since a Gas Tank is a public address, anyone can add and consequently contribute to the tank! We’re really excited to see how artists and collectors experiment with this new feature.

Art has evolved and will never be the same.

To check out the latest Async artwork: https://async.art/gallery

To learn more about the platform: https://async.art 


Thanks again to the Async Art team for publishing with us. Like what you see? Check out the Async Art marketplace on OpenSea!

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How to Make Money on OpenSea

We had the privilege of writing a guest post for Ryan Sean Adams’ Bankless newsletter a couple of weeks ago. Ryan is an investor, a writer, and a prolific tweeter. Keeping tabs on him is one of the quickest ways to get up to speed on the broader Ethereum community.

Readers who missed its original publication can find the full text of the article below.


How to make money using OpenSea

Lots of folks on OpenSea are in it for the yucks, not the bucks. In other words, users rely on OpenSea to buy and sell things they collect, play with, and enjoy. But money making opportunities abound! Here, we’ll take a look at how to earn money flipping ENS names on OpenSea. (You’ll need MetaMask and some ETH)

  • Goal: Make money trading digital assets on OpenSea
  • Skill: Beginner
  • Effort: 1-2 hours
  • ROI: 10%-1000%

What is OpenSea?

In the early days, I’d tell people, “OpenSea is eBay for CryptoKitties.”  That phrasing probably still does more to convey our fundamentals than any other 5 word permutation could. But the more time passes, the more it leaves out.  Today, OpenSea is a marketplace for thousands of types of digital assets, including game items, collectibles, art, titles to virtual land, and more. Here, we’re zeroing in on one of the shining stars of that “more” category, ENS.

Why trade ENS names on OpenSea?

ENS, or the Ethereum Name Service, is a set of tools that turns 42-character Ethereum addresses into convenient, memorable, human-readable names like arachnid.eth.  If you’re not familiar with ENS, check out this article and this FAQ.  It’s an essential layer of web 3, roughly equivalent to DNS in the web 2 context.

ENS presents an ideal beachhead for rookie traders of nonfungible tokens because it allows you to leverage subject matter expertise from any area.  To make money flipping Axies, you need to know a whole lot about Axie Infinity.  I can’t tell a tank from a healer, let alone spot the best value DPS Axies.  But to make money flipping ENS names, you just need to be able to identify a few important concepts from your own area of expertise and apply that advantage to the ENS market.

In broad brushstrokes, our strategy will be to identify undervalued ENS names, acquire them, list them for sale on OpenSea, and promote the listings to the most interested audience.

How do I identify undervalued ENS names?

First and foremost, understand that size does matter.  The shorter the ENS name, the higher the expected value, generally.  Check out this tool by the anonymous data scientist Takens Theorem to get a sense of the relationship between length and price.  A 3 letter name listed for 3 ETH is more expensive in absolute terms, but it might be a steal compared to a 6 letter name listed for 2 ETH.  According to a blog post Takens Theorem wrote, name length can explain over 20% of the price variability.

That’s the baseline understanding of the market, anyways.  But the economics of short names are undergoing a shift at this very moment.  On May 4th 2020, thousands of names are going to require renewal.  While most names will only cost you $5/year in rent, 4 character names will cost $160/year and 3 character names require a whopping $640 tribute if you wish to retain your ownership.  If you see a short name going for a song, double check the expiration date or you might find yourself pinned between two bad options: losing your newly-acquired name and paying the substantial renewal fee.

Once you’ve groked those two ENS-specific factors, the process turns into a word game where your own subject matter expertise takes center stage.  Let’s suppose for the sake of lexical comedy that, unlike the author of this article, you’re a philatelist.  As you browse the pages of Philately Lately (didn’t bother verifying whether this exists because it simply must), you discover information that leads you to the conclusion that inverts are making a comeback in popularity. 

First, you set aside your frustration with the philatelic community for having lost their way and forgotten the true value of inverts for so long (I’ll stop making up stamp stuff shortly, I promise).  You realize that before long, some enterprising stamp dealer will create an online shop selling exclusively inverts and they’ll want to accept ETH. But they’re not going to request payment to a big ugly Ethereum address.  They’re going to want a nice, snappy ENS name. So, I’m headed to OpenSea. Time to buy inverts.eth.

How do I buy an ENS name?

First, I’ll check if it’s already for sale on OpenSea.  If it is, and I feel that it’s undervalued, I can just buy it.  While inverts.eth is not for sale, I see that invert.eth is listed for sale for 0.07 ETH.  That’s less than what I think the hypothetical Ethereum-friendly stamp vendor would reasonably pay for it, so I’m going to buy it, even though it wasn’t my original target.


To purchase an item, click the “buy now” button.  If it’s your first time transacting on OpenSea and the item is listed in a token other than ETH, you might have to do an initialization transaction approving the token for transfer before you can make the purchase.  The popup for the actual purchase transaction looks like this:


Confirm the transaction and wait for it to be mined.  You should see a screen that looks like this as you wait:


Before long, you’ll see a confirmation. Success! In my case, I can now say with a slightly puzzling sense of pride that I’m the owner of invert.eth.

Now, let’s see about getting inverts.eth.  At the time of drafting, it’s not for sale on OpenSea.  It hasn’t even been registered yet. But by the time of publication, it will be, because I’m about to register and list it for sale.

If a name doesn’t appear on OpenSea, it’s almost certainly not yet registered. But if trust isn’t your scene, you can verify the registration status of an ENS name by searching for it on the ENS app. I’ll skip the details of the ENS registration process and refer you to Brantley’s article on the subject.  Suffice it to say that I followed the process outlined in the article, locked down inverts.eth, and now I’m low key sizing up what it would take to start dabbling in stamp collecting.  Perhaps my compulsive NFT buying has begun to affect my brain on some primitive level. Let’s list these names for sale before I succumb to the temptation of expanding into a new hobby. 

How do I sell an ENS name?

First, navigate to the name’s asset detail page.  You can find it by navigating to your account page and searching for it by name.  To set up your listing, click the “sell” button.

You’ll be redirected to a page where you can configure the sale. But, as Jim Barksdale asserts, there are “only two ways to make money in business: One is to bundle; the other is unbundle.”  So, I’m going to list them for sale as a bundle.

Hover over the “Account” option in the navigation menu, then select “Sell a Bundle” from the dropdown list.  On the bundling page, I’ll select invert.eth and inverts.eth from the list of tokens I own.

Next, I’ll scroll down, add a descriptive title and description, then set the price for the bundle.  

Finally, scroll back up to the summary, double check that everything looks right, and click “post your listing.”  If it’s your first time selling something on OpenSea, you’ll get a few popups asking you to complete some initialization transactions.  But if you’ve done this kind of thing before, you’ll only need to sign a single message.

Once I’ve signed the message, I’ve got a bundle for sale.  You can count on OpenSea to make buyers aware of your listing on the Browse page, but it never hurts to do a little extra promotion.

How should I promote my listing?

It’s a context-dependent matter, but here, our target audience is made up of those in the overlap between philatelists and Ethereum users:


Again, lean on your network and subject matter expertise.  Hit the philatelist forums, email your techy stamp collector friends, and share the link in those fringey subreddits where diehards care more about the esoterica than the karma.  Try tweeting at crypto-friendly stamp collectors. The more interested eyeballs on your listing, the better your chance of making the sale.

We’re fortunate in this specific case: thanks to the work of the Austrian Post, there’s already an existing community of people interested in the overlap between stamps and non-fungible tokens.  Many of them can be found in the Token Smart Discord server, so that’s where I’ll start my own promotional efforts.

If I were feeling especially ambitious, I might also write up a quick article on Cent, a social media platform populated by some of the most devoted folks in the NFT space.  I could also Peep about it on Peepeth, an Ethereum-powered social media platform that’s a lot like Twitter.

The goal is to find the philatelists hiding among the Ethereum users and the Ethereum users hiding among the philatelists.  Somewhere in that overlap, there’s someone who can see the value of these ENS names, but lacked the time or information to secure them until I presented the bundle on a silver platter.  When the right buyer sees my listing and purchases it, the names and the money will be exchanged instantly and atomically—either the whole deal happens or none of it does—with no further action required from me.

The example here is silly and low stakes, but the pattern can be applied almost anywhere. Take an example from defi: dydx.eth was purchased from ENS for 1.37 ETH during the ENS short name auction and subsequently resold for 8 ETH.  As web 3 matures and Ethereum continues to absorb more of the financial world, the standard playbook for flipping domain names will grow increasingly useful in our own weird corner of the internet.

And of course, the pattern holds up outside of the ENS market, too.  If you already know the factors that cause a neighborhood in CryptoVoxels to turn red hot, then buy up some tracts now and sell them when the masses arrive.  If you can read the signs in the art market, then trade there. Whatever you’re good at, put your skills to work buying undervalued assets and promoting your listings to the target market.  OpenSea is a generic NFT market and the most generic of all money making advice applies: buy low and sell high!

Action steps

  • Acquire an undervalued ENS name
  • List the ENS name for sale on OpenSea
  • Shill it—and sell it for profit!
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Dark Country is on OpenSea! Unleash NFT power with our gaming ecosystem

Thanks to the Dark Country team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at contact@opensea.io.


Meet the Dark Country game on OpenSea!

Dark Country is American gothic game world where items are created, owned and managed by players. Based on the classic Collectible Card Games (CCG), we welcome you to unleash the full power of NFTs.

Our aim is to create an ecosystem of regular events, game mods, and games of different genres, in which you can use the same NFT items: 

  • CCG/TCG game modes: Classic CCG, Auto Battler, Living board CCG and others
  • Esports and gaming events. Up to 10% of all proceeds from our pre-sale will go to the Tournaments pool. 
  • Other game genres that stick perfectly with Dark Country NFT reuse: RPG-like games, city building, territory control strategy. 

What do we bring into the NFT world?

We are eager to give users a choice how to use NFT power and grow the value of their NFT items. Users will be able to choose the direction of item development, reach milestones, and make their items outstanding.

We want to offer an excellent playing experience by combining our ecosystem, NFT features, and thoughtful UI/UX game design.

Current Progress

We’re validating our hypotheses as we receive fantastic support from the community in an ongoing manner! We successfully completed the pre-sale of the Exodus cards series and today have sold more than 12,000 items. 

At this stage, we can say with confidence that our artworks are outstanding! You can see it here – https://darkcountry.io/art 

The launch of Dark Country private Alpha is planned for this spring. 

About the Dark Country Team

Our team has a solid background working with gaming dApps. One of them is Prospectors MMO with 3000+ DAU. Therefore, being guided by reaching a wide audience, we have an understanding of what strengths of the blockchain and NFT we can use. Also – we know what mistakes crypto games should avoid at the very initial stage of the project.

Exclusive Open Sea Offer

For you guys, who are with us at the early stages, we prepared an exclusive offer, available only on the OpenSea NFT marketplace!

Catch Ultra Bundle – 30 Dark Country items with more than 35% discount! Offer will be available till 6 PM UTC, 7 April 2020. Check it out here!

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Announcing Bullionix on OpenSea!

Thanks to the Bullionix team for publishing this article with us! If you’d like to write a guest post for our blog, let us know at contact@opensea.io.


Bullionix.io is proud to announce its partnership with OpenSea! Bullionix is a dapp that gamifies the NFT minting experience. In order to mint, each collectible requires DGX stable coins (1 DGX = 1 gram of gold) to be staked. Become the top goldsmith and offer your gold-backed NFTs on OpenSea!

A Multi-dimensional approach

This marks the beginning of an exciting new era of value-staked NFTs. Each Bullionix collectible has specific amounts of DGX staked. If the owner wishes to extract those DGX, he or she simply melts the NFT and the staked DGX will be returned to the owner’s wallet. This provides a foundational “spot price” for each Bullionix while more speculative values can still be derived from rarity, utility and beauty.

Aesthetics share top priority with the more technical innovations. Each Bullionix NFT is a rare work of art with countless hours put into design. The team is also collaborating with some of today’s most talented artists including Uwe Dresemann (@buzz_lightning) and Tom Badley (@Currency_Design). These NFTs are not represented by static images. Instead, each collectible is a hi-res, 3D object. The center piece of the dapp is the Display Case. There, owners can interact and zoom in to closely examine each collectible’s finer details. 4 buttons decorate the bottom enabling owners to easily transfer their NFT, check it’s source on Etherscan, list it for sale on OpenSea, or melt the item and extract the staked DGX. 

Bullionix is the result of a year’s work in tackling two of crypto’s greatest challenges: user risk and user experience. First, staking each NFT directly to stable coins reduces fear of loss. Ultimately, each Bullionix NFT equals ownership of specific amounts of DGX. Second, we focused on a mobile friendly display case. People want to hold their collectibles in hand, so we set about building an intuitive and fun viewing experience. That also makes Bullionix an excellent conversation piece at any house party!

March 30, 2020 saw the Bullionix dapp go live with the first three collectibles available for minting. Golden Week follows with each day seeing one new design released. Get ready to become a lead goldsmith in the new frontier offering access to your collection directly through OpenSea!


How to programmatically bid on English auctions on OpenSea

Perhaps you’ve been bidding on English auctions on OpenSea manually and now you want to automate the process.  Luckily for you, OpenSea offers a set of tools that make this fairly painless. 

In this article, you’ll learn how to:
    • Set up your dev environment
    • Place a bid
    • Avoid common issues

Let’s start by taking a look at the key part of the example script:

Setting up your environment

First, we’ll need to set up an environment where we can run our bidding script.  You can roll your own, of course, but I recommend starting by cloning this example repository.  This article will assume you’re working from that repo, but you’ll likely find some useful information even if you’re not. 

Open up the directory in your text editor and set up your .env file. 

  • INFURA_KEY should be your project ID. 
  • MNEMONIC should be the MetaMask seed phrase of the account you want to bid from.
  • MY_ADDRESS should be that seed phrase’s “Account 1” address.
  • TARGET_CONTRACT_ADDRESS should be the the address of the NFT contract you want to bid on.
  • NETWORK should be “mainnet” unless you’re tinkering around on Rinkeby, in which case it should be “rinkeby”.
  • API_KEY is completely optional.  But if you’re planning on making lots of bids over a short period of time, feel free to request an API key here.

Now that your .env file is configured, navigate to the directory in a terminal window and source it by entering source .env on the command line.  This will make our script aware of the values we set up in the .env file when we run node bid.js later.

Next, enter nvm use 8.11.2 on the command line.  If that command doesn’t work, you might need to install node version 8.11.2 first.  Using the right version is imperative here! Using the wrong version will result in lots of issues.

Now, install the dependencies by running npm install.  You need to make sure you’re using 8.11.2 before installing the dependencies.  You can enter node --version to verify that you’re running the correct version.  If something goes wrong or if you realize that you ran npm_install using the wrong version of node, you should delete your node_modules folder before running `npm install again.

Once your .env file is configured and sourced and your dependencies are installed, you’re ready to configure your bidding script.

An example script

async function main() {
    const tokenId = '39'

    // Make a bid on an item. 
    console.log(`Bidding on https://opensea.io/assets/${TARGET_CONTRACT_ADDRESS}/${tokenId}`)
    try {
        const buyOrder = await seaport.createBuyOrder({
            asset: {
                tokenId,
                tokenAddress: TARGET_CONTRACT_ADDRESS
            },
            startAmount: .00002,
            accountAddress: MY_ADDRESS
        })
        console.log(`Successfully created a buy order! ${buyOrder.asset.openseaLink}\n`)
    } catch(e) {
        console.log('Failed:', e)
    }
    
}

If you set up your .env file properly, all you need to worry about is the main() function shown above.  Right now, const tokenId = '39' is hardcoded at the top of the main function. At a minimum, you’ll need to change the value to the ID of the item you want to bid on.  You’ll also want to change the hardcoded startAmount value to your desired bid amount. If you want to learn more about what’s going on in createBuyOrder, it’s well documented in our SDK.  And don’t forget to check the SDK’s README for tons of useful information.

Eventually, once you’ve tested this script in the default configuration, you’ll want to develop a better way of setting the token ID.  If you’re planning on leaving the script in roughly its current form, I recommend passing in the token ID, the address, and the bid amount as command line arguments.  See this article for more info on how to handle command line arguments in node.

Once you’ve configured the token ID and your bid amount, go to your terminal window and run node bid.js.  That runs the script.

Wait a few seconds, and you should see a “Bidding on…” message, with your custom values in the place of the variable names.  Wait a few more seconds, and you should see:

Already approved enough currency for trading
Order hashes match
Successfully created a buy order! https://opensea.io/assets/<TARGET_CONTRACT_ADDRESS>/<tokenId>

Navigate to the link that gets logged in the console to verify that your bid is showing up on the item.

That’s it, congrats! With this foundation, it should be a little easier to start doing all kinds of fun and exciting programmatic bidding on OpenSea English auctions.

Common gotchas

If you get “Failed: Error: API Error 404: Not found. Full message was ‘{“success”:false}'”, that means that OpenSea believes the asset you entered doesn’t exist.  Double check your address and your token ID. Run source .env again just to be safe.

If you run the script and it fails silently or complains of a nonexistent network, double check your Infura key.  It should be the project ID, not the project secret. You can also try nvm use 8.11.2 && rm -rf node_modules && npm i to make sure that you’re using an acceptable version of node.  Any 8.11.x version should work, but I always use 8.11.2.

What’s next?

For more info on programmatically finding assets you’re interested in, visit our SDK repository and our API reference docs.

Once you’ve got an array of assets you want to bid on, you could iterate over them and bid on each. This article only intends to provide a starting point. It’s up to you where to go from here!

If you have any questions or want to share something you built, ping me on Twitter.


Somnium Space is Coming to OpenSea!

Somnium Space describes itself as “an open, social & persistent VR world built on blockchain.” Let’s unpack that a bit. First off, a VR world is a digital space that gives you the ability to immerse yourself completely into a new dimension. Somnium Space’s take on the format includes spatial sound, dynamically changing weather, real time shadows, and a real sense of presence.

But what makes VR world open? An open world allows users to move about a digital landscape freely without running into invisible walls, being forced to teleport to a neighboring region, or waiting on a loading screen as you move you from one region to another. It’s critical to maintaining the experience of being in a real place. It might be a digital place, but if it behaves like the real world and doesn’t break immersion, it feels real.

What makes a VR world social? In Somnium’s case, it means that features enabling interactions with other inhabitants are prioritized; you won’t be walking around a ghost town or a village of mutes. And because Somnium Space is a world built by its users, it’s constantly changing.

What makes a VR world persistent? Here, it means that there’s a single, shared state of the Somnium Space world that all users experience across sessions. The Somnium world keeps on turning and changing even while you’re away.

Somnium Space is a digital reality where you can move around freely, interact with others, and (except where other denizens have been at work enriching the environment) count on seeing roughly the same world each time you visit. In other words, Somnium Space offers a digital facsimile of real life!

But a digital world, even one that looks real and feels immersive, can feel pretty low stakes if nothing hurts and can seem somewhat bland without the resource constraints that we take for granted in the physical world. To bring the Somnium Space universe one significant step closer to real life, Somnium Space is building its in world economy on Ethereum. Resources and objects, including land itself, will be verifiably scarce NFTs. Call it a tragedy of the human experience if you will, but it’s much easier for us to make sense of our place in a world of scarcity and a real ownership rather than one of perfect abundance. Like the way it’s not as much to play a game where you can walk through walls, it’s not as much fun to inhabit a world where everything is free.

OpenSea is proud to provide the infrastructure that powers Somnium’s secure, user-friendly, and persistent economy. OpenSea is the first and largest peer-to-peer marketplace for blockchain-based assets, which include collectibles, gaming items, and other assets backed by blockchain. Since our beta launch in December 2017, OpenSea has processed over 25,000 ETH worth of digital assets through our marketplace. We can’t wait to start seeing Somnium Space items in the mix.

To learn more about OpenSea, join us on Discord, check out our subreddit, or tweet at us. We’re always happy to chat! To stay up to date on all things OpenSea, sign up for our newsletter or follow us on Medium.

Stay tuned for more announcements leading up to Somnium Space’s Initial Land Offering in early October and join their Discord or follow them on Twitter for the latest updates!


Trade Marble cards on OpenSea using Marblecoin and Wrapped Marble cards!

We’re excited to announce that Marble cards are tradable on OpenSea in two new currencies!

Marble cards is always moving the ball forward and most recently, they’ve rolled out Marblecoin and Wrapped Marble cards, two new ERC20s that fans can use to purchase Marble cards on OpenSea. On top of using Marblecoin on OpenSea, Marblecoin holders will be able to pay for fees and predictions in the Arena, “remarble” cards, crop cards, and marble new cards on the Marble cards site.

Wrapped Marble cards is an ERC20 inspired by the much-hyped Wrapped CryptoKitties token. Marble card holders can put their Marble card NFTs into a smart contract, which mints them a fungible token in exchange. For those scratching their heads, consider digging deep into this thread:

For those who’ve been asking “what the hell is a Marble card?” all along, check out the Marble cards landing page and FAQ. In short, it’s a dapp that allows you to turn your favorite web pages into NFTs. But it’s so much more than that. It has depth, nuance, and complexity that will leave even ardent skeptics impressed. Take a deep breath, prepare to get meta, and check out the full selection on OpenSea. Once you’ve seen what’s available, try marbling a card yourself.

Why list your Marble cards on OpenSea?

Keep your items in your wallet while they’re on sale

You can create an auction for a Marble card but keep it in your own wallet while it’s on sale. That way, you can still keep your Marble card in your wallet while it’s on the market! You can learn more about this feature here.

List Marble cards without paying gas

Once you’ve set up your OpenSea account, you can list your Marble cards without paying gas or waiting for confirmations from the blockchain. When you list a Marble card, you just sign the listing with MetaMask. When the item is purchased, the buyer submits a transaction, and the deal is done.

Accept bids for your Marble cards

Not sure how to price your Marble card? You don’t have to! Other users can bid on a Marble card (even if it’s not on sale!) without any action from its owner. The owner can immediately fulfill these bids, receiving WETH in exchange for the Marble card.

Sell Marble cards by the bundle

Sellers on OpenSea can sell multiple assets in one transaction. If you’ve got a load of surplus Marble cards, you can group them into a single listing for a single price. Plus, it’s gas-less! Just put together the bundle listing and sign it with MetaMask. For more details, check out our Medium post.

Get more exposure

Thousands of users browse OpenSea for all sorts of game items, collectibles, digital artwork, and more. By listing your Marble card alongside other collectibles, you gain a ton of exposure.

Interested in joining the Marble cards discussion? Check out their Discord server. Or to see what else is brewing in the world of NFTs, join us over at the OpenSea Discord server.


Trade Official Deadpool GFT™ Authentic Digital Collectibles on OpenSea!

Every once in a while, new content matches up with new technology so perfectly that it leaves an indelible mark on the psyche of a generation. If you whisper “Dark Side of the Moon” to a dinner party full of boomers, a glaze forms over their eyes. It might look like they’re staring into their chardonnay, but in their minds, they’re tenderly fondling that famous cardboard sleeve with its mysterious prism. Or maybe they’re easing a microscopic needle tenderly down onto the edge of a vinyl disc. They’re far, far away, in a place rich with meaning and memory. Those high fidelity sounds, those feelings, and the endless rotation of a Long Playing record are inextricably linked in the minds of an entire generation.

*record scratch*

*freeze frame*

Nope, that’s not us. This is not that type of situation. We’re not about to get misty eyed, dear reader, about the adolescent emotions of a perpetually naive and self indulgent generation. We’re talking about Deadpool, here. We’re talking about Deadpool on the blockchain. It’s not a product meant to stir up the predictable, vapid emotions of an entire demographic. This is insanity on insanity, targeted at a niche within a niche. It’s a pairing that will leave you either ice cold or hot for more.

For those of us who get it, Deadpool and blockchain go together like Drano and tin foil. If you’re wondering why you can’t buy Avengers posters on OpenSea yet, it’s because the Avengers crowd is too busy drinking light beer and posting indignant replies to their uncles’ political posts on Facebook to download MetaMask and manage their own private keys. It’s no coincidence that Deadpool was the first Marvel hero to make it to our weird corner of the internet. Many of the same irreverent pissants that demanded a franchise like Deadpool demand a path out of the legacy financial-industrial complex. Ethereum provides exactly that.

And now those weirdos have bought all the good Deadpool posters on OpenSea. But don’t worry, you can find a few stragglers here, and there’s more on the way.

Huge props to The GFT™ Exchange for managing the handoff of these assets from their platform to ours!

Interested in joining the discussion? Join us over at the OpenSea Discord server.


Trade MegaCryptoPolis Assets on OpenSea!

Trade MegaCryptoPolis Assets on OpenSea!

We’re excited to announce that MegaCryptoPolis assets are now tradeable on OpenSea! According to MegaCryptoPolis,

The upcoming “Microeconomy” update for the MegaCryptoPolis city builder dApp game implies a whole new class of collectible assets: buildings will require Resources to be constructed, Citizens will help managing operations in buildings while Cars, Pets and Appliances will increase their productivity.

Plus, MegaCryptoPolis even created a set of OpenSea-themed pets! Only 90 of these OpenSea exclusive turtles will ever be available. 60 of them are currently on OpenSea; the remainder will be released alongside the next MegaCryptoPolis update.

Check out the selection of Appliances, Citizens, Pets, Resources, and Vehicles available on OpenSea!

Why list your MegaCryptoPolis items on OpenSea?

Keep your items in your wallet while they’re on sale

You can create an auction for an asset but keep it in your own wallet while it’s on sale. That way, you can still use your asset while it’s on the market! You can learn more about this feature here.

List MegaCryptoPolis assets without paying gas

Once you’ve set up your OpenSea account, you can list your MegaCryptoPolis assets without paying gas or waiting for confirmation from the blockchain. When you list an asset, you just sign the listing with MetaMask. When the item is purchased, the buyer submits a transaction, and the deal is done.

Accept bids for your MegaCryptoPolis assets

Not sure how to price your MegaCryptoPolis assets? You don’t have to! Other users can bid on a MegaCryptoPolis asset (even if it’s not on sale!) without any action from its owner. The owner can immediately fulfill these bids, receiving WETH in exchange for the asset.

Sell MegaCryptoPolis assets by the bundle

Sellers on OpenSea can sell multiple assets in one transaction. You could even sell a whole family of citizens, a gaggle of pets, or all the resources necessary to build a landmark! Or if you’ve got a load of surplus Appliances and vehicles, you can group them into a single listing for a single price. Plus, it’s gasless! Just put together the bundle listing and sign it with MetaMask. For more details, check out our Medium post.

Get more exposure

Thousands of users browse OpenSea for all sorts of game items, collectibles, digital artwork, and more. By listing your MegaCryptoPolis assets alongside other collectibles, you gain a ton of exposure.

Interested in joining the MegaCryptoPolis discussion? Check out their Discord server. Or to see what else is brewing in the world of NFTs, join us over at the OpenSea Discord server.


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