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techiejd / bitcoinjs-lib-expo-setup.md
Last active January 13, 2025 23:41
How to add bitcoinjs-lib to an Expo project (and by extension react-native)

Add bitcoinjs-lib without ejecting from Expo.

  • That means, no using rn-nodeify nor running pod install.

I based the development process off of Solana's "Building Solana Mobile dApps with Expo", their codebase and this draftbit polyfills demo.

Let's get down to business:

  1. You want to modify metro.config.js to resolve any extraNodeModules, which are not default included in the react-native environment. It'll look something like this: