Minting Gaming Assets

Joan Alavedra
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What’s Minting?

Minting refers to the process of creating a new NFT (Non-Fungible Token). Think of minting as the digital equivalent of stamping a coin or printing a physical collectible. When an NFT is minted, it becomes a unique, verifiable asset on the blockchain, with its ownership and properties immutably recorded.

This process is fundamental in NFT gaming, where in-game assets like characters, items, or land parcels are turned into NFTs, providing players true ownership and the ability to trade these assets outside the game’s ecosystem.

Minting and Gas Fees

Minting an NFT isn't free; it incurs a cost known as a gas fee. Gas fees are essentially transaction fees paid to the blockchain network (like Ethereum) to compensate for the computational power required to execute and record transactions. These fees can vary widely based on network congestion and the complexity of the transaction.

What Happens Once an NFT is Minted?

Once an NFT is minted, it is recorded on the blockchain and becomes a permanent part of the network. The minted NFT can be transferred, sold, or traded, just like any physical collectible or piece of art. In the context of NFT gaming, this means that players can own unique in-game items that they can sell or trade on secondary markets, adding a new dimension of value and ownership to their gaming experience. The ownership history and transaction details of each NFT are transparent and easily verifiable on the blockchain.

NFT Metadata

The metadata of an NFT includes information such as its name, description, and attributes, which define its uniqueness and value. This metadata can be stored on-chain or off-chain.

- On-Chain Metadata: This is stored directly on the blockchain. It offers higher security and immutability, ensuring that the metadata cannot be altered once it is created. However, storing data on-chain can be expensive and less flexible.

- Off-Chain Metadata: This is stored outside the blockchain, usually on decentralized storage solutions like IPFS (InterPlanetary File System). While it is cheaper and allows for greater flexibility and more data storage, it relies on the integrity and availability of the external storage provider.

NFT Royalties: Revenue Streams


Royalties are a crucial aspect of NFTs, especially in gaming. They allow the original creator of the NFT (like a game developer) to earn a percentage of the sales every time the NFT is resold. This incentivizes creators to produce high-quality assets and provides a continuous revenue stream.

In gaming, royalties can support ongoing development and maintenance, ensuring a sustainable ecosystem where creators and developers are rewarded for their contributions.

Minting with Openfort

Openfort simplifies the NFT minting process for game developers through its robust infrastructure services.

1. ERC721 Standard: This is the most common standard for NFTs, ensuring that each token is unique and can be individually tracked and verified. Openfort supports seamless minting of ERC721 tokens, making it easy for developers to create unique in-game assets. Batch a transaction together to simplify the UX.

2. Pre-Minted Assets with Minting Account: Openfort also offers solutions for managing pre-minted assets, allowing developers to control the distribution and minting of NFTs through dedicated minting accounts. This flexibility helps in managing large-scale gaming environments where multiple NFTs are required to be minted and distributed efficiently.

Crafting Assets

In NFT gaming, crafting involves combining or modifying NFTs to create new ones. This can be done in two primary ways:

Mint and Burn

Players can mint new NFTs by burning existing ones. This process destroys the old NFTs and creates a new, unique asset, often with enhanced attributes or value.


Update Metadata

Instead of creating a new NFT, the metadata of an existing NFT can be updated to reflect new properties or enhancements. This method is less resource-intensive and can be more efficient for certain game mechanics.


Atomic Transactions These are crucial in ensuring that all parts of a multi-step transaction process are completed successfully and simultaneously. In NFT gaming, atomic transactions ensure that when crafting or trading multiple assets, the entire process either completes fully or not at all, preventing partial transactions and ensuring a seamless user experience.

By leveraging Openfort’s advanced infrastructure and minting APIs, game developers can streamline the creation, management, and trading of NFTs, enhancing the gaming experience and providing players with true ownership of their digital assets. Whether it’s through ERC721 minting, managing pre-minted assets, or utilizing advanced crafting mechanics, Openfort makes it easier to integrate NFTs into your game seamlessly and effectively.

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