Security•4 min read
Local-First Privacy: How Whisker Protects Your Work
Summary: An in-depth explanation of our zero-tracking local-first architecture and how cloud migration works.
1. Zero Data Leakage for Free Users
By default, everything you draw on Whisker Board stays in your browser's private storage. No canvas data is transmitted to third parties unless you explicitly use Whisker AI or activate cloud sync.
2. 1-Click Cloud Migration
When you sign in with Google OAuth or create an account, Whisker automatically claims your local boards and uploads them to encrypted cloud PostgreSQL storage so you can open them on mobile, tablet, and desktop.
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