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  3. Collection
NFTs

Collection

A group of related NFTs created by the same contract, typically sharing a theme or aesthetic.

Last Updated

2026-03-19

Related Concepts

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What is a Collection?

A collection (often called an NFT Collection) is a group of related digital assets issued by a single smart contract. Most collections share a common artistic theme, utility, or set of traits that define the project's brand.

How does a Collection work?

  1. A creator deploys a smart contract (usually ERC-721 or ERC-1155) to the blockchain.
  2. The contract defines the total supply (e.g., 10,000 items) and the "metadata" for each item.
  3. Users "mint" individual NFTs from the collection, often for a set price.
  4. Each NFT is assigned a unique token ID and a specific set of "traits" (e.g., hat, eyes, background).
  5. Marketplaces like OpenSea group these items together based on their shared contract address.

Why does a Collection matter?

Collections create a sense of identity and community in the NFT space. They allow creators to build ecosystems where holders gain special access or benefits, and they provide a standardized way for collectors to trade and value assets.

Key features of a Collection

  • Shared smart contract address
  • Unique token IDs for every item
  • Defined total supply (often capped)
  • Common metadata structure and traits
  • Creator royalties on secondary sales

Examples of a Collection

  • Bored Ape Yacht Club (BAYC), a collection of 10,000 unique ape avatars.
  • Art Blocks, a platform for generative art collections.
  • Gods Unchained cards, where an entire set of game cards forms a collection.

External References

  • OpenSea Blog
  • Ethereum.org: ERC-721 NFT Standard