Technical Definition

ERC-1155

ERC-1155 is an Ethereum standard that lets one smart contract manage multiple token types, including fungible and non-fungible assets.

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NFT (Non-Fungible Token)Token ContractToken Approval

✦ Key Insight

It explains why some NFT-style assets can have supply greater than one and share a single contract.

✕ Common Misconceptions

Do not assume every ERC-1155 token ID is unique or has a supply of one.

Detailed Explanation

It supports quantities per token ID and efficient batch transfers, making it useful for games and multi-asset applications.

In Practice

“A game uses one ERC-1155 contract for 1,000 identical potion tokens and several unique quest items.”

Dig Deeper

Smart Contract

A smart contract is blockchain-deployed code that can hold state and execute predefined rules when called.

Token Contract

A token contract is a smart contract that defines and manages a token's balances, transfers, supply, and other programmable rules.

Token Approval

Permission you grant a smart contract to move a specific token from your wallet on your behalf.

NFT (Non-Fungible Token)

A token that represents a unique item rather than an interchangeable unit of currency.

Mint

Minting creates new blockchain tokens according to the rules of the relevant smart contract or protocol.