Protecting Your Privacy: Local-First Architecture Explained

A practical guide from the 3mpwrApp team.

People with disabilities are disproportionately targeted by discriminatory data use. Insurance companies, employers, and even government systems have used health data in ways that harm already-vulnerable people. 3mpwrApp was built with this documented history in mind.

Local-first architecture means your data lives on your device by default. We do not have a server full of your symptom logs, evidence photos, or medical records. You cannot have a data breach of data that was never collected.

When you choose to back things up or sync across devices, you choose. The encryption travels with the data. You hold the keys — and so do we not.

What You’ll Learn

  • Your data lives on your device — not on remote servers — by default
  • AES-256-GCM encryption protects all sensitive records at rest
  • No advertising, no data brokering, no selling your information — ever
  • You choose exactly what (if anything) ever syncs to the cloud
  • You can export and delete everything at any time — you own your data

Step by Step

Step 1: Your Evidence Locker never leaves your device unless you explicitly share it

Step 2: Symptom data and medical records are encrypted before being written to storage

Step 3: Disable internet entirely — 3mpwrApp continues to work fully offline

Step 4: Export your complete data package at any time for portability or legal use

Key Takeaways

  • For people with disabilities in legal disputes, privacy is not a preference — it is self-protection
  • Insurance companies and employers cannot demand data that doesn’t exist on a server we control
  • Local-first means control stays with you — architecturally, not just as a policy promise

Ready to Try It?

  1. Download 3mpwrApp — 3mpwrapp.pages.dev
  2. Sign up or explore as guest — no commitment needed
  3. Find this feature — search or browse main navigation

About 3mpwrApp

3mpwrApp is a free, accessibility-first platform for injured workers and people with disabilities across Canada.