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CryptoUnits - 1539+ Best Cryptocurrency Websites & Bitcoin Sites List of 2023!

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Cryptocurrency Forensics 🚀🌑


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The rise of NFTs has led to a surge in blockchain applications and increased mainstream adoption of blockchain technology. NFTs offer provable ownership and rarity, playing a pivotal role in this evolution. NFT marketplaces have played a crucial role in making this possible, much like how exchanges facilitate access to the broader crypto market. OpenSea, a prominent NFT marketplace, has emerged as a key platform for buying, selling, and minting NFTs. In this guide, we'll delve into the workings of OpenSea, highlighting its strengths and weaknesses.

Overview of OpenSea

OpenSea was founded by Devin Finzer and Alex Atallah in 2017 as a marketplace for trading non-fungible tokens (NFTs) on the Ethereum blockchain. This coincided with the launch of the ERC721 token standard, a pivotal moment in NFT history that allowed users to truly own in-game assets and digital collectibles.

OpenSea recognized the potential of NFTs early on and adapted to the changing landscape. While initially focused on gaming, OpenSea shifted with market trends, catering to digital art and collectibles. Its ability to evolve quickly and cater to changing demands has contributed to its ongoing success.

One of OpenSea's distinguishing factors is its commitment to decentralization. Users interact with smart contracts on the platform, bypassing intermediaries and enjoying self-sustained infrastructure for NFT trading.

Using OpenSea

Before using OpenSea, it's important to note:

  • OpenSea is available on multiple blockchains, including Ethereum, Polygon (previously Matic), and Klaytn.
  • Create an account and connect your NFT-compatible wallet to start using OpenSea.
  • OpenSea supports both the creation and sale of NFTs.

Creating an NFT on OpenSea

To create an NFT:

  1. Create an account and connect your wallet.
  2. Access your profile and click "Create."
  3. Upload your file, name, and describe your NFT.
  4. Customize traits or add to collections.
  5. Click "Create" to finalize.

Selling NFTs on OpenSea

To sell an NFT:

  1. Access your profile and select the NFT from your wallet.
  2. Click "Sell" to set a price or choose a sale type.
  3. Choose a fixed price or timed auction and set duration.
  4. Initiate your wallet if necessary.
  5. Confirm and share your listing.

Buying NFTs on OpenSea

To buy NFTs:

  1. Select the NFT and confirm its authenticity.
  2. Make an offer or pay the fixed price.
  3. Complete the transaction to receive the NFT.


OpenSea charges a 2.5% fee for listing NFTs, and an additional 10% for royalties if applicable. Transaction fees depend on the blockchain and can be avoided using Polygon for gas-free transactions.

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Pros & Cons

  • OpenSea operates in a decentralized manner.
  • OpenSea draws in a significant volume of NFT sales.
  • It boasts user-friendly usability.
  • OpenSea offers support for multiple blockchains.
  • Engage in gas-free activities on OpenSea.
  • OpenSea ensures top-notch customer support.
  • An OpenSea app is available for users.
  • OpenSea has faced security and credibility concerns in the past.
  • Purchasing NFTs on OpenSea requires cryptocurrency.

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