Cold Storage Sharding for Institutional Assets

Implement M-of-N approval workflows with configurable signer sets (e.g., 3-of-5). Each shard requires explicit, on-chain authorization from designated custodians before any transaction is executed, eliminating single points of failure.

Private key shards are physically isolated in secure, geographically disparate data centers. This design ensures resilience against regional outages, natural disasters, or targeted physical attacks on a single location.

Transaction signing occurs entirely offline. Our orchestration layer securely coordinates shard carriers across air-gapped environments, ensuring private keys never touch an internet-connected device, mitigating remote exploit risks.

Every shard access attempt, governance vote, and transaction initiation is immutably logged. Generate compliance reports for SOC 2, ISO 27001, and financial regulators in minutes, not days.

Enforce institutional policies at the protocol level. Define rules for transaction limits, allowed destinations (whitelists), time locks, and cooldown periods that are automatically validated before shard assembly.

Automated, non-custodial key rotation procedures without moving assets. Rapid shard recovery protocols with zero downtime, ensuring business continuity and long-term security posture against cryptographic advances.

We conduct a joint workshop to define your security model, regulatory requirements, and sharding architecture. This includes mapping asset flows, defining MPC quorum rules, and establishing a formal threat model.

Our team builds and audits the core on-chain components: custom multi-sig vaults, shard management contracts, and the MPC ceremony coordination logic. We use OpenZeppelin libraries and follow secure development lifecycles.

We orchestrate the secure generation and distribution of sharded private keys using our battle-tested MPC protocol. We then deploy and configure the secure, air-gapped signing servers in your chosen cloud or on-premise environment.

We integrate the sharding solution with your existing treasury management, custodial, or exchange platform via a secure API. A full staging environment is deployed for rigorous testing, including failure simulations and load testing.

The entire system undergoes a final, independent security audit by a firm like Halborn or Trail of Bits. We also conduct internal penetration testing on the network and application layers before any production assets are secured.

We manage the production deployment and initial funding of the vaults. After a stabilization period, we provide comprehensive documentation, operational runbooks, and 24/7 monitoring handover to your team.