End-to-end secure custody
architecture for crypto assets

Rectangle CopyHFM Awards 2019 & 2020 Best Digital Asset Custodian

  • Secure multi-party computation
  • Seamless trading & withdrawals
  • Co-sign & verify transactions offline
  • Insured against theft and hacking

Security & control combined
without compromise

Client segregated cold storage combined with live trading accounts provide
complete control over the custody and transmission of digital assets


Maintain easy management and complete control over your digital assets through the online Copper Platform


Store assets in your offline vault and get peace of mind knowing your funds are secured by industry leading practices

Get the best of both worlds enabled by
dual offline and online technologies

Copper Unlimited

Use an offline application to sign co-sign transactions using MPC key shards

iconmonstr-wireless-1 (1)
Offline application
Learn more
Copper Platform

Quickly and easily view balances, seamlessly move assets between trading accounts, exchanges and secure vault storage.

Online application
Learn more
No single point of failure

Proprietary tech enables multi-signature security regardless of whether the blockchain natively supports it.

Key shards > Private keys

Because MPC key shards use Zero-Knowledge Proof methodology, no secret information is ever revealed when using or storing the key shard.

Optical air-gapping for offline security

Key shards are used to verify and sign transactions through a military-grade optical air-gapping system.

Connect to leading exchanges

Connect with 3rd party exchanges to deploy capital across multiple execution venues whilst maintaining independent custody.

Multi-sig support on 100+ digital assets

Search our full asset support
Request new digital asset support

    Trusted by pioneering funds

    “The first independent end-to-end custody solution for funds
    that trade on multiple exchanges.”

    — Michael Hall, Nickel Digital Asset Management


    Secure client-side cryptocurrency custody with complete control

    • Insured against theft and hacking
    • 2FA Secured accounts through Copper Platform
    • Blockchain agnostic multi-sig
    • Copper never in sole-control of assets
    • MPC wallet creation
    • Verify and sign Transactions online and offline
    • Full reporting through the Copper Platform
    • Dedicated Account Manager
    Request demo