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IERC6909

Minimal multi-token standard with per-token allowances

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ERC-6909multi-tokenallowancesminimaltokens

What is IERC6909?

IERC6909 is a minimal multi-token interface that improves on ERC-1155 with per-token allowances and a simpler API. It supports multiple token types within a single contract while providing more granular control over approvals.

Supported chains
EthereumPolygonArbitrumOptimismBaseBNB ChainAvalanche

Key Features

Per-token-id allowance management
Simpler API than ERC-1155
Operator approval per token type
Batch-compatible design

Tools related to IERC6909

Discover tools that are frequently used with IERC6909

IERC20

Standard interface for fungible tokens

EthereumPolygonArbitrum +4

IERC721

Standard interface for non-fungible tokens

EthereumPolygonArbitrum +4

IERC1155

Multi-token standard for fungible and non-fungible tokens

EthereumPolygonArbitrum +4

OpenZeppelin Solidity Interfaces

Reference guide to the most important Solidity interfaces from OpenZeppelin Contracts. ERC-20, ERC-721, ERC-1155, vaults, royalties, and more.

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