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  • Interview Question Help: How to Lower NFT Minting Costs on Ethereum

    Abdil Hamid

    Member

    Updated: May 29, 2025
    Views: 1.1K

    How can I lower NFT minting costs on Ethereum for an interview question? I’m preparing for a blockchain job interview and want advice on reducing gas fees for NFT minting, especially in batches.

    Are Layer 2 solutions like Polygon or Arbitrum reliable for NFT projects, or do they have trade-offs? Should I use ERC-1155 instead of ERC-721 to save costs, or does that hurt resale value or secondary market compatibility?

    If you have answered this in interviews or have real experience, I’d appreciate your advice. I want to give a clear, practical answer that covers cost-saving strategies without sacrificing security or decentralization.


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  • amanda smith

    Member • 6mos

    To reduce NFT minting costs on Ethereum, consider using Layer 2 solutions. Polygon is widely used for NFTs due to its compatibility with Ethereum, lower gas fees, and fast transaction speeds. You can mint NFTs on Polygon directly or use bridges to transfer assets between Ethereum and Polygon. This reduces expenses significantly.

    Batch minting is another effective method. With batch minting, you group multiple NFT creations into a single transaction. This lowers the total gas fees compared to minting each NFT separately. Smart contracts, like OpenZeppelin’s ERC-721 or ERC-1155 implementation, support this feature. ERC-1155 is particularly cost-efficient for minting multiple NFTs, as it uses shared contract data for similar items.

    Gas optimization techniques also help. Ensure your smart contract code is optimized to reduce unnecessary computation. Use tools like Hardhat or Remix to analyze and optimize the gas usage of your contract.

    Timing your minting is critical. Gas fees fluctuate based on network activity. Use tools like Etherscan’s gas tracker to identify low-traffic periods for transactions.

    Lastly, consider using tools like Manifold or MintGate, which simplify the minting process and include cost-reduction features. These tools are reliable and widely used by the NFT community.

    By combining Layer 2 solutions, batch minting, optimized code, and proper timing, you can significantly reduce costs while maintaining functionality.

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  • Merry Wordsworth

    Member • 6mos

    Can you share your insights in more details about By combining Layer 2 solutions, batch minting, optimized code, and proper timing f

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