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What Is a “Semi-Fungible Token” and What Standard Supports It?

A semi-fungible token (SFT) is an asset that is fungible for a period but becomes non-fungible after a specific event, or vice versa. For example, a concert ticket is fungible until the event, after which it becomes a unique collectible.

The ERC-1155 standard is best suited for SFTs because it allows for both fungible and non-fungible token management within the same contract.

What Is a “Semi-Fungible” Token in the Context of ERC-1155?
What Is the Concept of a Semi-Fungible Token (SFT) and Its Financial Utility?
How Does ERC-1155 Improve Gas Efficiency over ERC-20 and ERC-721?
What Specific Efficiency Improvements Does the ERC-1155 Standard Offer over ERC-20 for Large-Scale Token Operations?