Distributed access control
CofferGuard
No single holder. No single point of failure.
Threshold cryptography for distributing control of sensitive physical or digital assets across trusted participants.
Overview
CofferGuard replaces a single privileged holder with distributed secret shares. Each participant holds only part of what is required, and a configurable threshold determines when access can be reconstructed.
The model reduces reliance on a trusted third party and can be integrated with physical lockboxes or digital security mechanisms where shared authorization matters.
Core capabilities
Distributed secret sharing
Split control across participants so no single share grants access.
Configurable thresholds
Define how many authorized shares are required for reconstruction.
Cryptographic protection
Apply purpose-built protocols to protect sensitive access material.
Flexible integration
Connect the control model to physical or digital security workflows.
Clear participation
Give authorized teams a manageable process for collaborative access.
Designed outcomes
Built to create practical value.
- Reduced single-person and single-system dependency
- Stronger control over high-value access
- Flexible authorization for different risk levels
- A practical path to shared custody
