End-to-end secure custody

architecture for crypto assets

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HFM Awards 2019 - 2021 Best Digital Asset Custodian


Manage hot, warm, and cold segregated wallets by configuring offline, client-side and server-side shards for ultimate flexibility and security on every asset


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

Get the best of both worlds enabled by

dual offline and online technologies

Security audited, certified, and insured MPC-protected custodial architecture for digital assets

Copper Unlimited

Co-sign and verify transactions completely offline. Unlimited allows you to co-sign transactions using MPC key shards. Now also available on mobile. Securely view transaction details, sign and create new vaults in a few taps.

Offline application
Mobile App
Copper Platform

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

Online web platform

Secure multi-party computation

wallet creation

The ultimate protection for institutions

  • 1
    Shards securely generated

    Key shards are formed simultaneously and in isolation using multi-party computation in a secure environment

  • 2
    Zero-knowledge proof

    Co-sign transactions remotely without risk of private key exposure, because there is no longer a private key

  • 3
    Max security & control

    Configure your vaults with on & offline shards to get ultimate security and control of your digital assets

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Best Custodian 2022: Hedgeweek European Digital Assets Awards

Join the pioneering firms already

using Copper infrastructure

Alan Howard

Co-Founder, Brevan Howard

“Coppers pioneering technology, particularly in the security and speed of cryptocurrency transactions, is essential for the traditional world to offer crypto products to their clients. This, coupled with industry-leading customer support, positions them as a dominant player for digital asset infrastructure.”

Hany Rashwan

Co-Founder and CEO, 21Shares

“Safeguarding our digital assets in Copper’s award-winning custody architecture provides us with the best security available on the market. With this foundation in place, we can build more secure ETPs for our clients.”

Alessandro Balata

Partner, Fasanara

“We’re now able to access greater amounts of liquidity across a growing number of exchanges that are joining Copper’s ClearLoop network. ClearLoop has become a critical component in helping institutional investors mitigate exchange counterparty risk.” 

Everything you need to prosper in a rapidly evolving market

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HFM Awards 2019 - 2021

Best Digital Asset Custodian

Award winning secure digital asset custody with MPC hot, warm & cold wallets
Audited, certified & insured
Stake with assets held in Copper’s Custody
Assign proxy addresses for every client
Permission based logins for increased governance
Move assets securely between multiple exchanges
Capital Introductions available
eOTC Trading & rapid RFQs
OTC Settlement & Derivatives Collateral Management
Zero confirmation movements

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