Infrastructure•2024
Solitude Local-First DB
Zero-Cloud Encrypted Storage Engine with Offline CRDT Replicas
The Cognitive Challenge
Cloud lock-in and vendor fragility cause users to lose decades of notes and creative assets when SaaS startups shut down or hike prices.
The Calm Solution
Created an offline-first storage library where the physical hard drive is the authoritative ledger and the network is merely an occasional courier.
Measurable Impact
Powers 6 open-source creative applications with over 45,000 monthly active offline sessions.
Key Innovations
- Sub-millisecond read/write latencies leveraging browser IndexedDB and WebAssembly
- End-to-end asymmetric encryption ensuring total user data sovereignty
- Conflict-free multi-device state merging with zero server dependency
WebAssemblyRustTypeScriptIndexedDBCRDTsCryptography