End-to-End Encryption
MPCVault adopts a zero-trust architecture. All traffic between computing nodes is peer-to-peer encrypted.
The relay server is trustless - it has no knowledge of the actual messages transmitted.

Personal Key Certificate
Each MPCVault user has a cryptographic identity defined by an Ed25519 key pair called the Personal Key Certificate. Only you know the private key.
How Authentication Works
In addition to standard authentication, MPCVault performs cryptographic attestation using your public key.
Zero-Trust Benefits
Personal Key Certificates enable:- Trustless secret sharing - Pass key shares between users without exposing them to MPCVault
- End-to-end encryption - Messages encrypted directly between participants
- Cryptographic identity - Actions are cryptographically signed and verifiable