Asset Custodians available in MMI

MMI has integrated with a number of asset custodians all over the world. These are partners that help you add an additional layer of security and assurances that assets under your management, stay under your management.

In keeping with MetaMask's user-centric orientation, MetaMask Institutional seeks to engage with its custodial partners in an agnostic way: focusing on ensuring the integration with their services is smooth and secure, and allowing the user to make their own decision about which solution is the most appropriate for their needs.

 

Our current custodians are the following:

 

Cactus Custody™

Cactus Custody™ is a trust company based in Hong Kong with over $10B in assets under custody. It is the third-party institutional custody service provided by Matrixport, Asia’s fastest growing digital assets financial services platform. Cactus Custody™ offers cold and warm storage, enterprise crypto management features, and DeFi connectivity as well as protocol whitelisting services for miners, corporates, funds, and projects.

  • Type: HK Trust Bank, Hardware Security Module (HSM)
  • Supported Chains: EVMs: Ethereum, Arbitrum, Avalanche, BNB Smart Chain, Fantom, Heco, Klaytn, Polygon, Smart Bitcoin Cash Non-EVMs: BSV, Bitcoin, Bytom, Decred, Dogecoin, eCash, Ethereum Classic, Filecoin, Polkadot, Kusama, Litecoin, Stellar, TON, Tron, Zcash
  • Supported Tokens: ERC-20, ERC-721, and ERC-1155 tokens
  • Headquarters: Hong Kong
  • Coverage: Global
  • AUM: >$10 Billion
Cobo Logo

Cobo

Cobo is one of Asia’s largest digital asset custodians and blockchain technology providers. It provides three different custodian solutions to institutions and high-net-worth organizations and individuals, from centralized custody to smart contract-based custody to a cross-chain decentralized custodian chain. Cobo partnered with MMI to launch its newest HSM based "NaaS" (NFT as a Service).

  • Type: HK Trust Bank, Hardware Security Module (HSM)
  • Supported Chains: EVMs: Ethereum, Aurora, Avalanche, BNB Smart Chain, Fantom, Heco, Polygon Non-EVMs: Algorand, Bytom, Cardano, Eos, Filecoin, Kusama, NEAR, Polkadot, Solana, Tron, and others
  • Supported Tokens: ERC-20, ERC-721, and ERC-1155 tokens
  • Certification: Awaiting SOC2 Type 2
  • Headquarters: Hong Kong
  • Coverage: Global
  • AUM: $3B

 

FPG Logo

Floating Point Group (FPG)

Floating Point Group (FPG) is building secure and effortless access to cryptocurrency. FPG drastically simplifies the operations necessary for asset managers to deploy cryptocurrency-centric strategies at meaningful scale via two product lines: FlowVault, a secure settlement and transfers platform, and an agency execution desk — enabling responsible and highly customized order execution structures.

  • Type: Hardware Security Module (HSM)
  • Supported Chains: Ethereum
  • Supported Tokens: ERC-20 tokens
  • Certification: SOC2 Type 1
  • Headquarters: New York
  • Coverage: Global
  • AUM: $200M

 

GK8 Logo

GK8

GK8 is a blockchain cybersecurity company that offers financial institutions an end-to-end platform for managing blockchain-based assets on their own. The company developed a patented Multi-Party Computation (MPC) solution and the world’s first true air-gapped Deep Cold Vault that enables its clients to create, sign, and send secure blockchain transactions without internet connectivity, eliminating all cyber attack vectors.

  • Type: Multi-Party Computation (MPC)
  • Supported Chains: All EVMs and Layer 2s
  • Supported Tokens: ERC-20 and ERC-721 tokens
  • Certification: SOC2 Type 2
  • Headquarters: Israel
  • Coverage: Global
  • AUM: >$10 Billion
Hex Trust Logo

Hex Trust

Hex Trust is the leading fully-licensed, SOC2 compliant, and insured provider of institutional-grade digital asset custody in Asia. Led by veteran banking technologists and award-winning financial services experts, Hex Trust has built Hex Safe™, a proprietary bank-grade platform that delivers custody, cold storage, DeFi, brokerage services, and financing solutions for financial institutions, digital asset organizations, corporations, and private clients.

  • Type: HK Trust Bank, Hardware Security Module (HSM)
  • Supported Chains: EVMs: Ethereum, Celo, Flare, Hedera, Klaytn, Polygon, Songbird Non-EVMs: Algorand, Bitcoin, Bitcoin Cash, Polkadot, Ripple, Stellar, Terra, Terra Classic, Tezos
  • Supported Tokens: ERC-20, ERC-721, ERC-1155 tokens
  • Certification: SOC2 Type 2
  • Headquarters: Hong Kong
  • Coverage: Global
  • AUM: >$5 Billion

 

Liminal Logo

Liminal

Liminal is a custodian built by former exchange operators for the custody needs of exchanges, payment processors, and other B2C crypto players. It provides a combination of multi-signature and multi-party computation (MPC) digital wallet infrastructure to provide secure, efficient, and compliant access to digital assets.

  • Type: Multisig Contract Wallet, Multi-Party Computation (MPC)
  • Supported Chains: EVMs: Ethereum, Arbitrum, Avalanche, BNB Smart Chain, Optimism, Polygon Non-EVMs: Bitcoin, BSV, Cardano, Cosmos, Litecoin, Solana, Stellar, Tron
  • Supported Tokens: ERC-20, ERC-721, and ERC-1155 tokens
  • Certification: SOC2 Type I and II, CCSS level 3, ADGM (Dubai), Trust License (Hong Kong). Awaiting licenses from MAS (Singapore) and SFC (Hong Kong).
  • Headquarters: Singapore
  • Coverage: APAC and MENA
  • AUM: $600M+ with $5.2B+ Transaction Volume

 

Parfin Logo

Parfin

Parfin is an Anglo-Brazilian fintech that offers a modular and secure platform for custody, trading and management of digital assets. Founded in 2019, Parfin's platform connects institutional investors to the various players in the cryptocurrency market, such as exchanges, banks and custodians.

  • Type: Multi-Party Computation (MPC)
  • Supported Chains: EVMs: Ethereum, Avalanche, BNB Smart Chain, Gnosis Chain / xDai, Polygon, Non-EVMs: Cosmos, Flow, Polkadot, Ronin, Solana, Stellar
  • Supported Tokens: ERC-20 tokens
  • Certification: SOC2 Type 2, Pursuing FCA License
  • Headquarters: Brazil
  • Coverage: LATAM
  • AUM: $1bn

 

BitGo Logo

BitGo

BitGo is a global leader in custody and security solutions with over $64B in assets under custody. Founded in 2013, BitGo pioneered the multi-signature wallet and is the first digital asset company to focus exclusively on serving institutional clients. BitGo provides the security and operational backbone for more than 500 institutional clients in 50 countries, including the world’s top cryptocurrency exchanges and platforms.

  • Type: Qualified Custodian, Multisig Contract Wallet
  • Supported Chains: Ethereum and Avalanche (C-Chain)
  • Supported Tokens: ERC-20, ERC-721, and ERC-1155 tokens
  • Headquarters: USA
  • Coverage: Global (Licenced in South Dakota, New York, Switzerland and Germany)
  • AUC: >$64 Billion

 

Propine Logo

Propine

Propine is the first independent digital asset custodian licensed by the Monetary Authority of Singapore (MAS). Established in 2018, Propine’s bespoke institutional solutions are at the forefront of innovation. Armed with an ISO 27001 certification, Propine is reinventing capital markets to make it more accessible and efficient using blockchain technology.

  • Type: Hardware Security Module (HSM)
  • Supported Chains: Ethereum, Avalanche, Binance Smart Chain, Polygon, XDC
  • Supported Tokens: ERC20 tokens
  • Certification: ISO27001 and SOC2 Type 2
  • Headquarters: New York
  • Coverage: Global
  • AUM: $560M

 

Qredo Logo

Qredo

Qredo is a layer 2 blockchain that offers a custody tech solution that is secured by decentralized Multi-Party Computation (dMPC) – an advanced cryptographic technique that removes the operational risk around private keys. Qredo supports institutions—from small-cap crypto funds to global asset managers—that are very active in their DeFi yield farming.

  • Type: Decentralized Multi-Party Computation (dMPC)
  • Supported Chains: All EVM Compatible Chains and Layer 2s Non-EVMs: Algorand, Bitcoin, Cardano, Polkadot, Solana
  • Supported Tokens: ERC-20, ERC-721, and ERC-1155 tokens
  • Certification: SOC2 Type 1
  • Headquarters: UK
  • Coverage: Global
  • AUM: >$4bn

 

Safe Logo

Safe

Safe is the safety standard of Web3 and the most trusted platform to manage digital assets for individuals and communities on EVM-compatible chains. It is a programmable account that enables users to control their digital assets with much more granular permissions, starting with multiple-signature (multi-sig) as the baseline permission. Safe stores ~$40B USD worth of digital assets today.

  • Type: Multisig Contract Wallet
  • Supported Chains: Ethereum, Arbitrum, Aurora, Avalanche, BNB Smart Chain, Energy Web Chain, Gnosis Chain / xDai, Optimism, Polygon
  • Supported Tokens: ERC-20, ERC-721, and ERC-1155 tokens
  • Headquarters: Gibraltar
  • Coverage: Global
  • AUM: ~$40 Billion

 

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