![Web3、セキュリティー等について学ぼう](/_next/image?url=%2Fja%2Fog.jpg%2Flearn&w=3840&q=75)
Web3、セキュリティー等について学ぼう
web3の世界では混乱が起きますが、そうである必要はありません。web3、セキュリティー等について学ぶのに役立つリソースを纏めました。 web3 の世界で安全に過ごす方法をご理解いただくため、Revoke.cash Learnセクションを作成しました。 web3 の基本を説明した上で、より高度なトピックにも触れています。今後も記事を追加していきますので、定期的にチェックしてください。
基本について
![What Is a Crypto Wallet? Cover Image](/_next/image?url=%2Fja%2Fog.jpg%2Flearn%2Fbasics%2Fwhat-is-a-crypto-wallet&w=3840&q=75)
What Is a Crypto Wallet?
A crypto wallet is used to send, receive and store crypto assets. It is often also used to interact with smart contracts. Learn more about crypto wallets.
![What Are Tokens? Cover Image](/_next/image?url=%2Fja%2Fog.jpg%2Flearn%2Fbasics%2Fwhat-are-tokens&w=3840&q=75)
What Are Tokens?
Tokens are digital assets that can be bought and sold. There are different kinds of tokens, like governance tokens or stablecoins. Learn more about tokens.
![What Are NFTs? Cover Image](/_next/image?url=%2Fja%2Fog.jpg%2Flearn%2Fbasics%2Fwhat-are-nfts&w=3840&q=75)
What Are NFTs?
NFTs are unique digital assets that can be bought and sold. Each NFT is unique, and cannot be replaced by another NFT. Learn more about NFTs.
トークンの承認
![What Are Token Approvals? Cover Image](/_next/image?url=%2Fja%2Fog.jpg%2Flearn%2Fapprovals%2Fwhat-are-token-approvals&w=3840&q=75)
What Are Token Approvals?
Token approvals are used to give permission to a smart contract to spend your tokens on your behalf. Learn more about token approvals.
![How to Revoke Token Approvals Cover Image](/_next/image?url=%2Fja%2Fog.jpg%2Flearn%2Fapprovals%2Fhow-to-revoke-token-approvals&w=3840&q=75)
How to Revoke Token Approvals
Revoking token approvals is essential to maintaining proper wallet hygiene. Learn how to revoke token approvals using Revoke.cash and other tools.
![What Are Permit Signatures? Cover Image](/_next/image?url=%2Fja%2Fog.jpg%2Flearn%2Fapprovals%2Fwhat-are-eip2612-permit-signatures&w=3840&q=75)
What Are Permit Signatures?
Permit Signatures are a way to grant approvals through gasless signatures. This has some important benefits, but also some drawbacks.
![What Is Permit2? Cover Image](/_next/image?url=%2Fja%2Fog.jpg%2Flearn%2Fapprovals%2Fwhat-is-permit2&w=3840&q=75)
What Is Permit2?
Permit2 is a system that was developed by the Uniswap team to enable gasless approvals for every token. This brings benefits but also risks.