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Token Standards

Last edit: @corwintines(opens in a new tab), June 11, 2024

Introduction

Many Ethereum development standards focus on token interfaces. These standards help ensure smart contracts remain composable, so for instance when a new project issues a token, that it remains compatible with existing decentralized exchanges.

Prerequisites

  • Ethereum development standards
  • Smart contracts

Token standards

Here are some of the most popular token standards on Ethereum:

  • ERC-20 - A standard interface for fungible (interchangeable) tokens, like voting tokens, staking tokens or virtual currencies.

NFT standards

  • ERC-721 - A standard interface for non-fungible tokens, like a deed for artwork or a song.
  • ERC-1155 - ERC-1155 allows for more efficient trades and bundling of transactions – thus saving costs. This token standard allows for creating both utility tokens (such as $BNB or $BAT) and Non-Fungible Tokens like CryptoPunks.

The full list of ERC(opens in a new tab) proposals.

Further reading

Know of a community resource that helped you? Edit this page and add it!

  • Token integration checklist – A checklist of things to consider when interacting with tokens.
  • Understand the ERC20 token smart contract – An introduction to deploying your first smart contract on an Ethereum test network.
  • Transfers and approval of ERC20 tokens from a Solidity smart contract – How to use a smart contract to interact with a token using the Solidity language.
  • Implementing an ERC721 market [a how-to guide] – How to put tokenized items for sale on a decentralized classifieds board.

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