How Can Institutions Reduce Digital Asset Custody Risk?

As exchanges, funds, market makers, and corporate treasury teams hold more digital assets, how institutions reduce digital asset custody risk has become a question every crypto business must answer. Once a private key is stolen or transaction permissions are abused, on-chain transfers usually cannot be reversed.

Where Does Digital Asset Custody Risk Come From?

According to blockchain security firm PeckShield, crypto hacks and related security incidents in September 2026 involved roughly $766 million. For institutions, the risk comes from three main sources:

• Private key exposure: If a complete private key leaks through malware, a server breach, or poor backup practices, attackers can move assets directly.
• Loss of control over transaction permissions: Even when keys are secure, attackers may steal employee accounts or API credentials to bypass approvals and initiate transfers.
• Third-party and internal governance gaps: Over-reliance on a single provider or administrator, and a lack of audit and incident response, can magnify the impact of any security incident.

How to Reduce Digital Asset Custody Risk: 5 Key Measures

How can institutions reduce digital asset custody risk? The answer is not a single tool, but layered protection from key management through transaction execution.

1. Distribute Key Control to Eliminate Single Points of Failure

Whether using hardware wallets, cold and hot wallets, or another setup, institutions should ensure that no single private key and no single person can move assets alone. Both multisig and MPC (Multi-Party Computation) enable shared authorization, but MPC self-custody goes a step further: the complete private key never exists on any single device, and it is not limited by blockchain type.

2. Build Multi-Layer Approvals and Access Controls

Set approval rules by role, amount, and address: regular staff can only initiate transactions, large transfers require multiple approvers, and high-risk addresses are blocked outright. These rules work best when enforced automatically by a transaction policy engine rather than by manual checks.

3. Protect the Signing Environment with Hardware Isolation

Key shares and signing operations still need to run in a secure environment. A Trusted Execution Environment (TEE) provides hardware-level isolation for sensitive computation and, combined with endpoint security and identity verification, forms a layered security architecture.

4. Monitor Transactions in Real Time and Stay AML-Compliant

Address risk screening and anomaly alerts help detect suspicious fund flows early, while complete operation logs support audits. Building AML compliance screening directly into daily fund workflows is more effective than investigating after the fact.

5. Strengthen Backup, Recovery, and Incident Response

Establish backup and recovery for key shares so assets remain recoverable if a device is damaged or key staff leave. Regularly rehearse an incident response plan that assigns clear owners for freezing permissions and isolating risk.

How to Choose the Right Digital Asset Storage Approach

Each common storage approach has its weak spots:

• Hardware and cold wallets: Keys stay offline, but transfers are slow, and a lost or stolen device or seed phrase is a complete single point of failure.
• Hot wallets: Fast for deposits and withdrawals, but the complete private key stays online and is a prime target for attackers.
• Third-party custody: Convenient, but asset control sits with the provider and depends on its security and business health.
• On-chain multisig: Shared authorization, but it depends on each blockchain’s support and is complex to manage across chains.

MPC self-custody balances security, efficiency, and control. The complete private key never exists on any single device, so there is no single point to compromise. Key shares stay with the institution, so the provider cannot move assets unilaterally. It also supports multiple chains and online approvals, so daily operations don’t sacrifice efficiency.

For institutions looking to reduce digital asset custody risk, upgrading from hardware wallets or cold and hot wallets to MPC self-custody is becoming the choice of more and more exchanges, funds, and market makers.

Conclusion

How can institutions reduce digital asset custody risk? By combining technology with governance: protect keys with MPC and hardware isolation, control transactions with approval policies and compliance monitoring, and back everything up with recovery and incident response.

Safeheron provides institutional-grade MPC self-custody solutions for exchanges, market makers, funds, and enterprises, bringing these capabilities together in one infrastructure.

Want to assess your institution’s digital asset custody risk? Safeheron’s solution experts can design the right security architecture for your use case and fund size.Contact Safeheron’s Sales Team to Book a 1:1 Demo