10x Web3 Marketing ROI: Stitched Wallet Balances for GA4 & BigQuery

Acquiring Web3 users is expensive, and you need to know if the users you're attracting actually have the capital to interact with your dApp. Introducing the "Stitched Wallet Balance" solution: a custom n8n workflow that connects your on-chain data with your marketing analytics.

What is the Web3 Wallet Tracking Workflow?

This workflow uses n8n to fetch the real-time USD balance of a connected Web3 wallet via the Zerion API. It then sends this balance as a custom metric to Google Analytics 4 (GA4) using the Measurement Protocol and logs the hashed wallet address, wallet address, session ID, and balance into BigQuery. This allows marketers to identify high-value users and optimize acquisition campaigns based on actual "spending power".

How the Automation Works (Step-by-Step)

This setup bridges the gap between your frontend (GTM), your analytics (GA4), and your data warehouse (BigQuery):

GTM Trigger: When a user connects their wallet, a custom event triggers a POST request from Google Tag Manager to an n8n webhook.

Privacy First (Hashing): To avoid sending Personally Identifiable Information (PII) to GA, the actual wallet address is converted into a SHA-256 hashed address before being sent.

Zerion API Integration: n8n takes the wallet address and queries the Zerion API to fetch the total USD balance across all supported chains.

GA4 Measurement Protocol: The wallet balance is sent back to GA4 as a custom metric, tied to the user's session and hashed wallet address.

BigQuery Data Stitching: All raw data (hashed address, actual address, balance, and session IDs) is logged in BigQuery, creating a "master map" for deep attribution analysis.

Why This is a Game-Changer for Web3 Marketers

Identify "Whales" Early: Know instantly if a new user has $100 or $100,000 in their wallet.

Optimize Ad Spend: If a specific campaign is bringing in "empty" wallets, you can pivot your budget in real-time.

Bypass Developer Bottlenecks: This n8n solution allows marketing teams to implement complex data stitching without waiting for months on a core dev sprint.

##Get the Free n8n Template

Ready to implement this for your own dApp? You can download the complete n8n workflow and Google Tag Manager configuration from my GitHub.

n8n template: https://n8n.io/workflows/13202-track-web3-wallet-balances-and-send-attribution-data-to-ga4-and-bigquery/

GitHub with GTM templates/custom HTML and JS tags: Link to GitHub