Non-Fungible Tokens (NFTs) have emerged as a powerful tool in the world of web3 gaming, offering new opportunities for creativity and innovation. Algorand's NFT standards, ARC3, ARC19, and ARC69, provide diverse options for NFT creation and management, catering to various use cases, including mutable and immutable metadata. These standards not only enrich the gaming experience with dynamic and interactive NFTs but also extend to a wide range of multimedia data, empowering artists, creators, and developers to harness the potential of NFTs in any context. Through Gradian's dApps, a layer-2 web3 game publisher and developer running on Mainnet Algorand, these NFTs can be securely transacted encoding common transactions seen in gaming. Gradian offers an SDK for effortless bootstrapping, akin to AWS, but tailored for web3 gaming. By focusing on off-the-shelf contracts, Gradian allows game developers to concentrate on game development while relying on secure and reliable web3 infrastructure.

Algorand NFT Standards: ARC3, ARC19, & ARC69

Algorand has three primary NFT standards, namely ARC3, ARC19, and ARC69. They share similarities but also have unique features catering to specific use-cases.

ARC3

Identification: Asset name is arc3, ends with @arc3 or asset URL ends with #arc3 (recommended).

Features:

• Immutable metadata, except for manager, freeze, clawback, reserve addresses.
• Metadata schema adapts the ERC-1155 Metadata URI JSON Schema by adding integrity, mimetype fields, and extra metadata support. It also incorporates external_url, background_color, and animation_url fields from the OpenSea metadata format.
• Supports various multimedia types (images, video, music, etc.) stored off-chain, typically using IPFS.

ARC19

Identification: Asset URL follows the template scheme, template-ipfs://(...), referencing the reserve address.

Features:

• ARC19 is similar to ARC3, but with mutable URLs, allowing updates to the metadata by changing the reserve address to reference a new IPFS location containing the updated data.

ARC69

Identification: standard field in the note of the latest asset configuration transaction with a value arc69, where the note is a valid JSON string.

Features:

• Community proposed standard.
• Shares similarities with ARC3, but the URL directly points to the media.
• Simplified metadata (e.g., doesn't differentiate between images and other media).
• Media is immutable unless the data stored at the URL location is changed.