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Farcaster is a sufficiently decentralized social network whose core social graph is stored onchain. Privy enables your users to log in to your application using their Farcaster account. Privy uses a standard called Sign in with Farcaster (FIP-11) to issue a signature request to a user’s Farcaster account via the client a user has.
Enable Farcaster authentication in the Privy Dashboard before implementing this feature.
Your application can even request permissions from the user to become a signer for their Farcaster account, allowing your application to engage with the Farcaster social graph on their behalf.
Interested in building a Farcaster Mini App? Check out our Farcaster Mini App recipe!
  • React
  • React Native
Privy currently only supports Farcaster login in React via the Privy UIs. To enable Farcaster login, you need to configure the Privy SDK with the farcaster login method. Explore our UI components here.
<PrivyProvider
  appId={process.env.NEXT_PUBLIC_PRIVY_APP_ID}
  config={{
    // This configures farcaster and other login methods for your app.
    appearance: {
        loginMethods: ['farcaster', ...otherLoginMethods]
    },
    ...otherConfig
  }}
>
From there, you can prompt your users to authenticate via the login method:
import { usePrivy } from '@privy-io/react';
...
const { login } = usePrivy();
login();

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Resources

React starter repo

Get started with React and Privy.

Next.js starter repo

Get started with Next.js and Privy.

Whitelabel starter repo

Get started with a whitelabel Privy integration.