Sepior Advanced MPC TSM™
MPC For BYO Wallet
Sepior Advanced MPC TSM™ provides the industry’s most advanced multiparty computation (MPC)-based key protection and threshold signing system available, designed for easy integration into your own in-house developed wallets for institutional-grade custody services
World-class key security for any wallet
Self-hosted for direct control of all MPC key shares/nodes
Protects against internal and external threats
Any wallet type: Hot/Warm/Cold
Advanced MPC for industry-leading…
Security: purpose-built MPC protocols for digital asset security
Performance: milliseconds signing latency, up to 10,000 tps or more
Flexibility: any protocol, wallet type, custody type, deployment model
Secure m of n MPC quorum approval
Key shares are used by each party to approve a transaction
No complete key exists on any device, eliminating single points of failure
When m of n quorum approval is satisfied, Partial Signatures are used to create a Threshold Signature (ECDSA, EdDSA...)
Multiparty approval, elimination of an entire key, and the output of a single signature enhance security and operations
Sustainable secure operations
MPC provides secure operations even with some parties become corrupt or unavailable
APIs and SDKs - easy integration / customization
Rest API: SDKs, Open API 3.0, Webhooks
Plug-ins: AML, KYC, DeFi, NFT, Blockchains...
Integrated back-up and emergency recovery
Key share backup
Wallet recovery
Survivable client key recovery for continuity planning
Maximize Benefits, Minimize Risk
Multiple Approvers
Flexible multiparty approval schemes - any combination of online and offline approvers
Universal Support
Multiparty approval is natively supported by all digital assets - no smart contracts required
No Key To Steal
No whole key ever exists, throughout the entire key lifecycle - reducing the risk of key theft or misuse
Performance & Scale
Patent pending pre-processing for low-latency, high-throughput (N x thousands of tps)
Delivering what matters most…
Proven security ready to integrate into your in-house developed wallet
Advanced MPC for industry leading key management security and performance
Multiparty approvals with a single signature to minimize fees
Developed and supported by world-renowned MPC cryptographers