プライバシーとセキュリティ

MetaMaskでの基本的な安全とセキュリティのためのヒント

暗号通貨やweb3は初めてですか？

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Staying safe in web3 →

Account Migration Guide

This guide details the process of transferring the contents of all the accounts in your wall...

Can I use MetaMask in my country?

By essence, anyone in any country in the world can use MetaMask.

Does MetaMask have a bug bounty program for vulnerabilities?

Security is one of the core focus areas of the development team. To build on the work we alr...

Hardware Wallet Hub

MetaMaskは現在、AirGap Vault、Keystone、Lattice、Ledger、Trezorの5種類のハードウェアウォレットをサポートしています。これらのウォレットは...

How to adjust MetaMask privacy settings

At MetaMask we take user privacy seriously, and continually work to give you the options to ...

How to customize token approvals with a spending cap

tl;dr: MetaMask allows you to manually edit the number of tokens dapps can access. Click her...

How to delete your MetaMetrics data?

At MetaMask we want you to have full autonomy of your data, and whether you wish to particip...

How to enable automatic security checks (Mobile)

On MetaMask's mobile app, you can choose to have the app automatically let you know when the...

How to enable full disk encryption for improved security

To keep your computer and its contents as safe as possible from someone with physical access...

How to fix 'Invalid Seed Phrase' error (Invalid Secret Recovery Phrase)

DO NOT share your Secret Recovery Phrase with anyone! These words can be used to steal from ...

How to manage your MetaMetrics settings

To help improve the usability of the decentralized web, MetaMask includes an opt-in analytic...

How to report a scam

If you believe you've fallen victim to a scam, the first thing you should do is follow the s...

How to report an address on Etherscan

As most block explorers share similar architecture, you can also do this on other networks, ...

シークレットリカバリーフレーズを表示する方法

EtherやERC-20トークンといった暗号通貨や暗号資産を扱う際には、予期せぬ事態に備え、秘密鍵、ニーモニックフレーズ、パスワードのバックアップを常に意識しておくことが極めて重要です...

How to revoke smart contract allowances/token approvals

Note: smart contract allowances are different from simply connecting your wallet to a dapp. ...

How to tell if a smart contract is safe to interact with

Smart contracts are the computer programs that run on the Ethereum Virtual Machine (EVM) and...

How do security alerts work?

Learn how security alerts work in MetaMask to protect you from fraudulent transactions.

Is MetaMask owned by JP Morgan?

The crypto community is growing all over the world. We believe that if we want to accelerate...

ハッキング／詐欺被害を受けた（自分のアカウントでの不正なトランザクション）

この状況では、ウォレットが危険にさらされている可能性が最も高くなります（誰かが不正なアクセスを得ています）。次の手順で、損害を限定する方法に関する概要を説明します。アカウントから移動さ...

My Secret Recovery Phrase/private key restored the wrong account(s)

Passwords and MetaMask

MetaMask uses passwords in a way that you may not be used to. This mainly has to do with the...

Privacy Best Practices

At MetaMask, user privacy is a top priority. We completely understand wanting to use MetaMas...

MetaMask Profile Sync

Learn about the "Profile Sync" feature that enables you to receive notifications and sync ac...

User Guide: How to use a Hardware Wallet

Have you recently acquired a hardware wallet? Are you considering it?

Using transaction security providers to protect yourself from scams

New security alerts system

「Secret Recovery Phrase」とは何か、暗号ウォレットを安全に保つ方法