Home Guides What is OpenSea? Largest NFT Marketplace

What is OpenSea? Largest NFT Marketplace

what is opensea
what is opensea

Have you ever wanted to trade cryptocurrency but need to know how? Today, the OpenSea NFT platform is easier than ever.

OpenSea is a digital assets marketplace that provides a way for collectors, investors, and traders to engage in the new decentralized economy. They offer multiple products and services, such as trading platforms, launchpads, and other technological products for the NFT space.

Find out more about this innovative web3 platform in this article!

What is OpenSea?

OpenSea is a non-fungible token (NFT) trading platform that uses blockchain technology and smart contracts to facilitate transactions between users, enabling them to buy, sell, or transfer ownership rights over digital assets. 

While it’s not necessarily a new concept, OpenSea brings many interesting features to the table, including:

  • An in-browser trading dashboard that’s easy to use and provides historical data.
  • A user-friendly API so you can build your app or integrate it into another service.
  • The ability to create an account with just a few clicks — no need for KYC or verification documents.

How Does OpenSea Work?

OpenSea, an NFT trading platform, is a web app that allows users to buy or sell digital assets, such as artwork, music, collectibles, and more. It facilitates the buying and selling of NFTs, which some call jpegs. The platform works based on online money transfers; hence users do not have any physical cash or card for making payments.

Moreover, this trading platform supports different blockchains, not just Ethereum, ranging from Solana, Polygon, and Klayton. It features a user-friendly interface, mobile apps, and cloud-based technology.

OpenSea primarily used the ERC-1155 Ethereum and ERC-721 standards for NTFs when confirming digital collectible ownership to avoid false claims, but thankfully, it has expanded to include many other chains.

The platform also accepts other cryptocurrencies like $APE depending on the creator, but typically, only ETH, SOL, and MATIC are commonly accepted.

OpenSea offers three different accounts:

  • Basic account – for beginners who want to trade only BTC, ETH, and LTC. It is the most basic account type.
  • Advanced account – for experienced traders who wish to trade more than three cryptocurrencies at once. It is a step up from the Basic account but does not allow for margin trading.
  • Full-service account – for traders who want access to all features available on the OpenSea platform. Such includes margin trading, advanced charting tools, and order routing (the ability to specify your buy/sell orders directly with other users on the platform).

Lastly, the OpenSea cryptocurrency trading platform works peer-to-peer, so no central authority or third party is involved. The platform has blockchain technology, which means it is accessible from anywhere in the world.

Features of OpenSea

OpenSea uses the Ethereum blockchain, allowing users to create and transfer assets without trusting anyone. 

The platform also has built-in security features that prevent users from being scammed when trying to sell their items or buy others’ goods. The main features of OpenSea include

  • Fast transactions: OpenSea transactions are instant because they use the Lightning Network as an off-chain payment channel
  • Storage: You can store your NFTs in any wallet that supports ERC-721 tokens.
  • Transactions: You can transact with other users or third parties by exchanging your coins for their coins on the Ethereum blockchain. You can use these coins in your wallet once they have been transferred. 

Uses of OpenSea

a) NFT Minting

NFT Minting is a process by which the owner of an NFT can mint new assets on the blockchain to preserve the ownership and rights of previous owners and prevent the resale or duplication of assets.

You can mint your own NFTs with different properties and use this service to distribute them among your users or sell them on exchanges.

Minting also lets users see how much you’ve sold your item for and when it got sold. This transparency is important because it lets buyers know what they’re buying and helps sellers avoid scams since buyers can check the transaction history before making an offer.

b) Marketplace for Buying and Selling NFTs

OpenSea is a marketplace for buying and selling NFTs. Users can buy, sell and trade all digital assets on the platform. The service is free, but users must have an open market account to complete transactions.

The OpenSea marketplace allows people to buy and sell NFTs through its website, app, or API. The company also offers a cryptocurrency wallet that allows users to store their digital assets offline, which is useful for keeping NFTs safe from hackers.

OpenSea’s Fees

A 2.5% fee applies only to successful transactions. If you don’t complete your order or cancel the transaction before completion, OpenSea will not charge you for the listing or any orders placed through it to keep things fair.

OpenSea’s fees are based on the amount of money exchanged between two parties, not the number of transactions. If you use OpenSea to list your item and then sell it on another marketplace, you will pay the same fee as if you sold it directly through OpenSea.

Is OpenSea Safe?

Yes, OpenSea is a safe platform for trading. The exchange has undergone a series of audits and is certified by leading financial security firms.

OpenSea does not store user data on its servers, such as passwords or private keys, so there is not much to worry about.

Advantages of OpenSea

1. Creators can opt for royalties

The advantages of OpenSea are huge. Creators can opt for royalties, which means they get paid per download or sale. It’s also possible to set your price and a minimum price. The platform also offers a “buy now” feature, which enables you to sell your work at a fixed price.

You can also choose how much you want creators to earn from your creations: You can configure the percentage of revenue each creator gets and how much they earn from different sales channels (e.g., Amazon).

2. Compatibility with Currencies and Wallets

The platform supports multiple fiat currencies, including USD, EUR, GBP, JPY, CNY, and AUD. Users can trade with their cryptocurrency holdings through the platform’s built-in exchange functions.

Disadvantages of OpenSea

  • All payments work in crypto only.
  • One cannot tell the minting fee before the sale completes. 


OpenSea is a great option for those looking for a safe and easy way to trade cryptocurrencies. The platform is user-friendly and offers a wide range of features, making it a great choice for both beginners and experienced traders.

With its low fees and support for multiple currencies, OpenSea is worth checking out if you’re interested in trading NFTs.

You can buy and sell directly with other users on the platform, which makes it a great place to find good deals on your favorite jpegs.

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