Why MPC for your Digital Asset Security?Fortary uses latest and proprietary encryption engineering to secure your assets In the early days of crypto, securing private keys was simple but fragile. Wallets lived on paper, hardware devices, or single machines. As the industry matured, so did the threats—and so did the needs of institutional users. Today, managing digital assets at scale requires more than just safe key storage. It requires operational speed, programmable control, and uncompromising security. This is why we use the proprietary and patent pending implementations of Multi-Party Computation (MPC) and Intel SGX—and why its one of the most advanced means for securing digital assets.
What is Multi-Party Computation (MPC)?
MPC is a cryptographic method that allows multiple parties to jointly compute a result—such as signing a blockchain transaction—without any one party ever having access to the full private key. Instead of generating a private key in one place and storing it whole, MPC splits the key into “shards” that live on separate servers or devices. When a transaction is initiated, each party performs a part of the signing operation using their shard. These pieces are then mathematically combined to produce a valid signature—without ever reconstructing the full key.Key Benefits:
- No single point of failure
- Keys are never exposed or stored in full
- Fault-tolerant and geographically distributed
- Enables advanced approval policies and governance controls
- MPC removes the “honeypot” risk of traditional wallets—there’s never a complete key to steal.
Comparing Wallet Architectures: Cold, Hot, Hardware, Multisig, and MPC
To understand MPC’s advantages, it helps to review how other wallet types work:🔒 Cold Wallets
- Stored fully offline
- Highly secure from online attacks
- Slow and cumbersome for day-to-day use
- Poor fit for trading or frequent rebalancing
- Connected to the internet
- Convenient for active use
- Vulnerable to phishing, malware, and internal misuse
- Private key stored in physical device (e.g., Ledger, Trezor)
- Strong for individual users
- Limited scalability, not programmable
- Doesn’t support team-based operations or policy enforcement
- Requires N-of-M private keys to approve transactions
- Improves security by splitting access among users
- Blockchain-dependent and limited to certain chains (e.g., Bitcoin, Ethereum)
- Operationally slow
- Loss of security for consistent direct signing requirement for users
- No policy-level control beyond fixed signature requirements
- Key never exists in full
- Flexible, programmable approval policies
- Works across any blockchain (not protocol-specific)
- Enables complex institutional workflows without compromising security
- Customizable configuration for bring signing devices offline or online- and supporting Cold and Hot wallet functions.
- Suited for trading and fast secure operational controls, but has limits supporting high frequency tradding
Why MPC is Better for Institutions
Institutions today demand speed, scalability, and security. MPC delivers on all three:1. Operational Speed
Unlike cold storage, MPC wallets enable real-time approvals, staking, and transfers without requiring keys to be brought online. Transactions can be approved by multiple stakeholders instantly, from anywhere.Fortary also operates Cold Storage services and is advancing its cold storage technology to meet modern demands for securing static but accessible assets. This is especially helpful in collateral management. Reach out if you need you’re looking for a Cold Storage solution!
2. Policy-Driven control
MPC systems support programmable controls:- Require multiple reviewers based on transaction size and custom configurations
- Restrict/grant role access to specific usersr or departments
- Enforce flow of funds externally, monitoring out flow and whitelisting destination addresses
3. Stronger Security Posture
- No single device or server holds the full key
- Even if one server is compromised, the attacker cannot move funds
- Zero-trust architecture: all participants must cooperate to authorize a transaction
- Combined with secure infrastructure and strong operational processes, MPC provides a highly resilient custody foundation.
What is Intel SGX?
Intel SGX creates isolated, encrypted environments (called enclaves) inside a computer’s processor. Even the host machine’s operating system cannot see or tamper with what happens inside the enclave.How We Use ItEach MPC node runs its shard inside an SGX enclave. This means:
- Key shards are processed only in memory, inside secure enclaves
- The code that signs transactions is protected from tampering
- Even insider threats and OS-level exploits are mitigated
The Combined Result: ✅ Confidential Computation ✅ Cryptographic Integrity ✅ Tamper-Proof Signing ProcessTogether, MPC + Intel SGX delivers a next-generation custody solution that is:
- More secure than traditional hot or multisig wallets
- More flexible than cold storage or hardware wallets
- More scalable and programmable for institutions
Beyond Technology: Institutional-Grade Infrastructure
MPC and SGX are the foundation, but great custody also requires:- Thoughtful key management practices
- Clear organizational separation (vaults, roles, accounts)
- Real-time monitoring and alerting
- Robust backup and recovery plans