Learn About Web3, Security and More
The world of web3 can be confusing, but it doesn't have to be. We put together a collection of resources to help you learn about web3, security and more. We created the Revoke.cash Learn section to help you understand how you can stay safe in the world of web3. It covers the very basics of web3 and then moves on to more advanced topics. We'll be adding more articles over time so be sure to check back regularly.
Basics
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?
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?
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.
Token Approvals
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
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?
Permit Signatures are a way to grant approvals through gasless signatures. This has some important benefits, but also some drawbacks.
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.
