Overview of Custodial Providers

Overview of Custodial Providers


Crypto APIs Team

Aug 21, 2020 • 8 min

Crypto APIs is the leading enterprise-grade infrastructure layer that helps custodial providers, banks, OTC, hedge funds, family offices securely interact with digital assets.

Sign locally use Crypto APIs to broadcast transactions.

A big part of our customers use Crypto APIs where they sign transactions locally and then use our APIs to broadcast the transaction without ever compromising security. Our Blockchain data would allow you to run your Custodian without the need to take care of blockchain nodes and have access to 100+ digital assets.

Using our Webhook notification system, you will be able to verify when a transaction has been broadcasted to the public blockchain.

New custodial providers can utilize Crypto APIs Blockchain Data to reduce time to market, established custodians can launch custody on new assets in couple of days.

Crypto APIs team has created a brief overview of the custodial providers on the market, with 31 custodians represented, where some of the companies have ventured into other product offerings as well.

Aegis Custody

Aegis Custody offers products and services that allow financial institutions, exchanges, funds, and token issuers to transfer and store their digital assets. Currently, there is custody support for Bitcoin, Ethereum, and ERC20 tokens.


Anchorage is a crypto-native digital asset custodian that uses modern security engineering to help institutions safeguard their investments. Anchorage currently supports custody for more than 20 digital assets.


The Bakkt Warehouse is comprised of both online (“warm”) and offline, air-gapped (“cold”) digital asset storage. Bakkt rebalances between warm and cold storage tiers to minimize risks associated with warm storage. To further protect our customers, Bakkt’s warm and cold wallets are covered by a $125m insurance policy from a leading global carrier. Bakkt is owned by Intercontinental Exchange, owner of the New York Stock Exchange.

Base Zero

Base Zero is a cryptocurrency security company helping financial institutions to safely self-custody client crypto assets. The product is a web app combined with a set of handheld signer devices. The devices are custom hardware developed by Base Zero. The web app and the devices are used together to keep crypto assets secure. Base Zero engineers do a custom on-site integration for every client. The chief benefit of a Base Zero implementation is it allows totally secure cold storage of digital assets while maintaining 24/7 real-time transaction capability. Base Zero participated in the Binance Labs Incubation Program.

BC Group (OSL)

Insured custody for digital asset holdings, including comprehensive protection of customer assets for both hot and cold wallets.

OSL provides industry-leading insured custody for digital assets, including comprehensive protection of customer assets for both hot and cold wallets and insurance for loss, damage, destruction, or theft of digital assets

The custody solution utilizes state-of-the-art encryption, private key protection, and multi-layer authentication

Customized wallet solutions available, allowing customers to integrate with industrial wallets or manage their own cold storage

Cold wallet infrastructure is housed in faraday-cage equipped high-security physical vaults, certified to meet US Department of Defense requirements.


BitGo Custody is purpose-built to provide institutional-grade security with: 100% cold storage technology. A regulatory environment with third-party procedure audits. Digital assets held by BitGo Trust Company, a qualified custodian. $100M in insurance and 250+ supported assets.

Coinbase Custody

Launched in 2018, Coinbase Custody offers clients access to the secure, institutional-grade offline storage solution that has been used by Coinbase’s exchange business since 2012. Coinbase Custody is an independent, NYDFS-regulated entity built on Coinbase’s crypto-first DNA, offering the most sophisticated and reliable custody solution in the world.


Copper has developed a secure platform to facilitate investors who require dedicated account management and professional custody and execution services. With an easy to navigate interface, market making liquidity, and a team always ready to assist you, Copper will change the way you look at crypto.

Crypto Finance

Crypto Storage AG offers infrastructure services for ​​digital assets. With their secure proprietary infrastructure, they support financial intermediaries with the implementation and development of custody solutions and tokenization projects.


Curv Custody is the world’s most trusted digital asset security infrastructure. Curv is setting the new institutional standard for digital asset security by using keyless cryptography to deliver the world’s most secure, flexible and scalable digital asset security solutions. Curv’s unique multi-party computation (MPC) platform simultaneously provides institutions the protection, instant availability, and total autonomy over digital assets required to thrive in the digital economy. The company is the only cloud-based, MPC wallet provider for institutional digital assets and the first of its kind to achieve SOC2 Type II Certification.


Custodiex is a technology provider that enables the secure, insurance protected, cold storage for digital assets in real-time, and thus forms the backbone for a variety of businesses in the digital asset universe.

Fidelity Digital Assets

Fidelity Digital Assets is the first step towards a long-term vision to create a full-service enterprise-grade platform for storing, trading, and supporting eligible digital assets. This platform is built to the same exacting standard as exists in other Fidelity businesses while incorporating the unique capabilities of blockchain technology to deliver a completely new offering for institutional investors.


Fireblocks is an enterprise-grade platform delivering a secure infrastructure for moving, storing, and issuing digital assets. They enable exchanges, custodians, banks, trading desks, and hedge funds to securely scale digital asset operations through their patent-pending SGX & MPC technology. They’ve secured the transfer of over $9 billion in digital assets and have a unique insurance policy that covers assets in storage & in transit.

First Digital Trust

First Digital Trust (“FDT”) is Asia’s leading technology-driven financial institution powering the digital asset industry and servicing fintech innovators including blockchain startups, money service businesses and token issuers. The team is behind Abacus rapid settlement network and provides APIs, settlement and clearing, accounting, compliance, fiat gateways, payments rails and open finance infrastructure for the industry.


Gemini is a fiduciary and qualified custodian under New York Banking Law and is licensed by the State of New York to custody digital assets. Gemini Custody™ is regularly audited and subject to the capital reserve requirements and compliance standards of a traditional financial institution.

Genesis (Vo1t)

Vo1t’s proprietary multi-asset secure cold storage contains multiple layers of military-grade encryption, geographic distribution of private keys in decommissioned nuclear bunkers with added layers of physical security and 24/7 monitoring by a specialist team.


GK8 is a cybersecurity company that offers a high-security custodian technology for managing and safeguarding digital assets. The technology allows financial institutions to execute the entire digital assets management process, including sending transactions to the blockchain, without the need for an Internet connection.

Hex Trust

Hex Trust is fully licensed, insured, and the leading provider of bank-grade custody for digital assets. Led by financial services experts and veteran banking technologists, Hex Trust has built a proprietary platform – Hex Safe – that delivers an infrastructure custody solution for banks, financial institutions, asset managers, and exchanges to safely, securely, and efficiently operate in the digital asset ecosystem.

Kingdom Trust

Kingdom Trust provides a highly secure, qualified custody service designed for financial institutions, hedge funds, investment sponsors, RIAs and family offices. Our services provide end-to-end capabilities to secure digital currencies. Institutional clients reduce their risk of holding assets directly, receiving all the regulatory benefits such as transparency, accountability and compliance. Customers can be confident their digital assets are safe for the long term.

Knox Custody

KNØX is a digital asset custodian to provide insurance coverage for 100% of asset values held in custody.


Segregated custody of digital assets for institutional clients. Koine clients can hold digital assets securely for the long term or, for those who need short-term secure storage combined with access and liquidity, they integrate with the leading exchanges and OTC trading venues to enable safe, efficient trading and real-time settlement.

Ledger Vault

Ledger Vault is the ultimate solution to secure your digital assets, without compromising your investment business agility, compliance, and enabling you to build the best service for your customers.


METACO is the leading provider of security-critical infrastructure enabling financial institutions to enter the digital asset ecosystem. The company is trusted by top banks, exchanges and infrastructure providers globally.

Onchain Custodian

Headquartered in Singapore, Onchain Custodian® (ONC) offers a global, standardized, resilient, insured and compliant custody service for the safekeeping of institutional digital asset investments with incomparable user experience. ONC’s solution is built with the flexibility to meet the possible futures of crypto custody.

Paxos Custody

Paxos uses 100% cold storage ensuring that the crypto assets remain secure and will be available to meet investor redemption and verification requirements. Their custody model protects custodied assets by ensuring that they are never commingled with assets held in customer trading accounts and can be independently monitored on the blockchain.

Prime Trust

Prime Trust delivers white-labeled compliant payment processing, AML/KYC, financial accounts, customer onboarding, asset custody, and transaction settlement solutions on a B2B2C platform.

Swiss Crypto Vault

Swiss Crypto Vault is a technology provider for the secure storage of crypto assets. It has developed a proprietary hyper-secure cold storage concept applying the highest standards of cryptographic, IT and physical security as well as multi-signing processes. It leverages Bitcoin Suisse’s longstanding track record of crypto asset experience and the expertise of its technology division comprising software, infrastructure and security specialists focusing on blockchain technology. The Swiss Crypto Vault solution including key generation ceremonies are regularly audited by independent and reputable third parties and documented in ISAE 3402 reports. Swiss Crypto Vault technology can be white-labeled with various levels of integration for B2B clients.


Tangany is a European whitelabel custody blockchain infrastructure for digital assets, coins and tokens.


TrustVault — a fast, user-friendly and highly secure custodial wallet service designed to address the security and ownership shortcomings of existing custody solutions, hardware wallets and cold storage options today, whilst also providing the same level of speed, flexibility and access we’ve come to expect from traditional assets and account services.


Unbound applies revolutionary breakthroughs in mathematics to allow secrets to be used without ever being exposed, thus ensuring digital assets are safe – anytime, anywhere.

Unchain Capital

Collaborative custody gives Bitcoin holders greater transparency and security when they use a financial services provider. Participants share in key management of a multisignature quorum designed for each product with keys always being cold-stored.

If we have missed any other Custodial Providers, don't hesitate - contact our team!

Related articles