Coinbase + Firebase - Build a Bitcoin App

TL;DR

Learn how to use Coinbase as an authentication provider for Firebase, allowing users to log in via Coinbase and handle Bitcoin transactions using the Coinbase API.

Transcript

it might be a little late to get in on the Bitcoin bubble but it's not too late to start building apps for people that use crypto currencies in this episode I'm going to show you how to use coin base as a custom authentication provider for firebase that means your users will be able to log in to firebase via coinbase and then you can use the coin b... Read More

Key Insights

• 😀 Integrating Coinbase as an authentication provider allows developers to build apps that utilize cryptocurrency transactions.
• 👨‍💻 The process involves redirecting users to Coinbase for authentication and exchanging an auth code for access and refresh tokens.
• 👤 Custom Firebase authentication tokens are minted and used to log in users as Firebase users.
• 🔐 Security rules should be in place to protect sensitive API keys and tokens stored in the back-end.
• 😀 Coinbase is just one provider that can be used with Firebase authentication, giving developers flexibility in choosing the right provider for their app.
• 😶‍🌫️ Cloud functions and Angular are used in this tutorial to handle the authentication and transaction processes.
• 😶‍🌫️ Axios, a promise-based HTTP library, is used for asynchronous activity in cloud functions.

Questions & Answers

Q: How does using Coinbase as an authentication provider benefit app developers?

Using Coinbase as an authentication provider allows developers to leverage the Coinbase API for handling Bitcoin transactions.

Q: Is Coinbase the only authentication provider that can be used with Firebase?

No, other providers such as Instagram, Twitter, and Patreon can also be authenticated using similar methods.

Q: Is it necessary to have a Coinbase account to use Coinbase as an authentication provider for Firebase?

Yes, a Coinbase account is required as users will be redirected to Coinbase for authentication.

Q: Are the Coinbase API keys exposed in the front-end code?

No, the Coinbase API keys are stored in a private key JSON file and not exposed in the front-end code.

Summary & Key Takeaways

• Users can log in to a Firebase app through Coinbase authentication, using the Coinbase API to handle Bitcoin transactions.

• The process involves users clicking the "Log in with Coinbase" button, authenticating through Coinbase, and receiving an encrypted auth code.

• Cloud functions exchange the code for an access token, mint a custom Firebase authentication token, and log the user in as a Firebase user.