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User Guide: Custom networks and sidechains

Learn about best practices for using custom networks and sidechains.

사용자 가이드: 가스

암호화폐와 web3가 처음이신가요?

Guides

블록체인 익스플로러에서 지갑 활동을 확인하는 방법

이더스캔(Etherscan)은 이더리움 블록체인에서 거래, 주소, 토큰, 가격 및 이더리움 블록체인에서 발생하는 기타 활동을 검색하고 추적할 수 있게 해줍니다. 다른 네트워크를 위한 블록 탐색기의 링크를 보려면 아래로 스크롤하세요. 그러나 그들은 모두 매우 유사하게 기능하므로 아래 지침은 아마도 어떤 사이트에서 액세스하던지 적용될 수 있습니다.

How to connect to the Gnosis Chain network (formerly xDai)

For an automatic process, go to Chainlist, search for Gnosis, and connect your wallet.

가스 요금을 측정하는 방법

가스 가격 알아보기

How to externally verify that your balance is correct

Verify your account balances outside of MetaMask.

How to revoke smart contract allowances/token approvals

Learn the difference between revoking approvals, disconnecting dapps, and how to do it.

How to run your own Ethereum node and use it with MetaMask

Ethereum.org is the best place to start learning how to run your own Ethereum node.

How to use Liquidity Pool (LP) tokens

Curious about LP tokens? Dive in here.

Help

I am trying to pay the gas fee for OpenSea in order to sell my NFTs

You need to have enough ETH in your wallet to pay for gas.

Why am I being asked to sign in? (Sign In With Ethereum)

Sign In With Ethereum (SIWE) is a web3-native method of managing your digital identity.

Why are my gas fees so high?

The price of gas is dynamic and is essentially a product of demand. Learn more here.

Why did I pay gas fees for a failed transaction?

Even if it fails, validators must verify and execute your transaction, which takes computational power.

Learn

Bitcoin (BTC) on EVM-compatible networks

Not all blockchains are created compatible. Keep an eye out for new developments.

Does MetaMask support Polkadot?

Not currently.

ETH on Sepolia and Holešky (testnets)

ETH on these testnets is a dummy balance and cannot be withdrawn or sent to mainnet.

Field Guide to Bridges

What you need to know about bridges.

How do I send ETH/other tokens to a layer 2 or other network?

Learn how to bridge tokens between networks using MetaMask.

How does MetaMask connect to a blockchain network?

Curious how MetaMask wallet lets you interact with blockchain networks? Read on.

How does MetaMask generate your keys?

Learn more about how your keys are securely and mathematically generated.

Internal transactions

What are internal transactions?

Sending (or receiving) a transaction with ENS

What's an ENS, and how does it work with transactions?

Tax compliance and crypto-assets

You should consult a tax professional about your crypto-assets. Learn why.

제3자 스왑 플랫폼

MetaMask에는 자체적인 기본 제공 스왑 도구가 있지만, 제3자 토큰 스왑 플랫폼에는 전체 생태계가 있습니다. 이 문서는 사용자가 토큰을 교환할 때 자주 겪는 몇 가지 문제를 알아보고, 제3자 스왑 플랫폼 지원 서비스에 대한 확정적이지 않은 디렉토리 역할을 합니다. MetaMask는 이 중 어떤 조직과도 제휴 관계가 아닙니다.

What are metatransactions?

Metatransaction describes a transaction that you instruct a third party to complete on your behalf.

What is a token contract address?

Learn more about token addresses.

What is 'eth sign' and why is it a risk?

eth_sign is a transaction signing method that is now disabled by default in MetaMask.

What is Infura, and why does MetaMask use it?

Infura is the service provider that MetaMask uses to get information on and off blockchains.

What role does staking play on Ethereum?

Staking is used in a very wide variety of contexts. Let's take a look at some of the most common.