# Cookbook Overview The [RAILGUN C](https://github.com/Railgun-Community/quickstart)[ookbook](https://github.com/Railgun-Community/cookbook) is an open-source project developed by RAILGUN contributors. RAILGUN Cookbook enables web3 developers to build simple zkApps that are compatible with RAILGUN private balances on Ethereum, Arbitrum, Polygon and more. With Cookbook, users can activate your smart contract privately and anonymously. ### Use cases RAILGUN Cookbook converts a series of smart contract calls into a "Recipe" that can have both ERC-20 and NFT inputs/outputs. There are a variety of use cases that are possible – all entirely private and anonymous through the RAILGUN Privacy System: * *PRIVATE* Vault Deposits * *PRIVATE* Stablecoin Minting * *PRIVATE* Liquidity Provisioning (LP) * *PRIVATE* Liquid Staking * *PRIVATE* Wrapping/Unwrapping tokens * *+* many more ### Get the Recipe Builder ```bash yarn add @railgun-community/cookbook@2.6.0 ``` ### Links ***Git repo***:
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