---
description: >-
  A Web3 function runs backend code in response to events triggered by Firebase
  features and HTTPS requests.
---

# Web3 function workflow

Follow this guide to setup a cloud function that can query blockchain data, such as NFTs, tokens, balances, transfers, transactions, and more, from any Firebase application. This tutorial works on almost any blockchain, including Ethereum, Polygon, BNB Chain, Avalanche, Cronos, and many more!
