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  1. Home
  2. /Glossary
  3. /ERC-721
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blockchain

ERC-721

The Ethereum token standard for non-fungible tokens (NFTs).

Definition

The Ethereum token standard for non-fungible tokens (NFTs). Unlike ERC-20 tokens where each one is identical, every ERC-721 token has a unique ID. It's the standard behind CryptoPunks, Bored Apes, and most Ethereum NFT collections. ERC-721 introduced the concept of provable digital uniqueness.

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Learn More About ERC-721

GuideWhat are NFTs? Complete Guide

Related Terms

NFT (Non-Fungible Token)

A unique digital asset on a blockchain representing ownership of art, collectibles, or other items.

ERC-20

The technical standard for tokens on Ethereum.

Smart Contract

Self-executing code stored on a blockchain that runs when conditions are met.

ABI

Application Binary Interface.

Account Abstraction

A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.

ERC-4337

The Ethereum standard for account abstraction without changing the core protocol.

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