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What is the Biggest NFT Marketplace? Where is the Biggest NFT Marketplace Built On?

By Cornell Rachel
Aug 6, 2025
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In this article, you will learn what is the biggest NFT marketplace. Non-fungible tokens (NFTs) are crypto assets encrypted on a blockchain with unique codes and metadata that define and distinguish them from one another. If you are interested in creating, buying and trading NFTs, there are NFT marketplaces where you can do NFT things. 

What is the Biggest NFT Marketplace?

NFT marketplace OpenSea is the biggest NFT marketplace with more than 2.4 million active users and a daily trading volume of $6.03 million, as of November 2022.

OpenSea is a non-fungible token (NFT) marketplace that offers users the ability to buy, sell, create, and trade NFTs.

OpenSea prides itself as being the first and largest NFT platform providing essential NFT services. Before it was created in 2017. there was no platform for users to trade different NFTs easily. OpenSea was created as a solution to allow users to trade crypto collectibles and NFTs with one another.

The desktop and mobile dashboards open with two prompts to explore NFTs or create a new crypto wallet. Or, if you already have a crypto wallet, you can connect it to the platform. You can explore the vast array of more than 2 million NFT collections and create your own.

OpenSea supports various categories of NFTs, ranging from art, music, collectibles, virtual lands, sports assets, and domain names to utility NFTs like membership passes.

You can easily identify the top and most trendy collections per category. Users can narrow the results by time periods such as 24 hours, seven days, 30 days, and all-time. There's also an option to select a particular blockchain that you prefer to explore.

Where is the biggest NFT Marketplace Built On?

OpenSea was built on the Wyvern Protocol, an open-source protocol powering the peer-to-peer exchange of virtual assets. This protocol operates as a set of smart contracts on the Ethereum blockchain.

These smart contracts form the basis of processing transactions protecting users' NFTs. OpenSea focuses on adapting to more interoperable blockchains to allow for easier, faster, and more flexible transactions. In addition to ERC-721 and ERC-1155 Ethereum standards, OpenSea has integrated protocols for other blockchains such as Solana, Polygon, and Klaytn. In a June 2022 blog post, OpenSea said it would be moving to its own protocol—Seaport—in a bid to reduce transaction fees.

Bottom Line

OpenSea is the largest NFT marketplace, offering a channel for thousands of creators, traders, and buyers to interact. Users can produce, sell, or buy art, collectibles, real estate, in-game, and sports assets on the OpenSea listing page. This article explains about what is the biggest NFT marketplace.

Disclaimer: The information on this page may have been obtained from third parties and does not necessarily reflect the views or opinions of BitKan. This content is provided for general informational purposes only, without any representation or warranty of any kind, nor shall it be construed as financial or investment advice. BitKan shall not be liable for any errors or omissions, or for any outcomes resulting from the use of this information. Investments in digital assets can be risky. Please carefully evaluate the risks of a product and your risk tolerance based on your own financial circumstances. Products mentioned in this article may not be available in your region.

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