Architecture
Mobile - Mobile: Self Custody
Both key shares reside on user-controlled mobile devices
- Custody Model: 100% self-custody.
- KeyGen Process: Both phones participate in distributed key generation.
- Signing Process: Both phones must collaborate to create valid signatures.
✓ Maximum Security: No third-party access to key shares.
✓ True Self-Sovereignty: User maintains complete control.
✓ Censorship Resistance: Cannot be blocked by service providers.
Mobile - Server: Semi- Custody
One share on user's mobile, one with wallet service provider
- Custody Model: Collaborative custody
- KeyGen Process: User device and provider server jointly generate keys
- Signing Process: User initiates, provider co-signs after authentication
✓ Simplified Recovery: Provider-assisted account recovery options.
✓ Better UX: Single device needed for daily use.
✓ Added Services: Provider can offer fraud detection, spending limits.
