List of Custodian companies in Web3 (2026)

OKX offers a suite of trading, custody, and risk management solutions tailored for institutional cryptocurrency investors.

Kraken Custody provides qualified custodial storage for institutional cryptocurrency holdings through segregated cold storage infrastructure and multi-signature authorization protocols. Institutional clients access custody services for digital assets while maintaining operational control through vault-based permission systems. The platform supports staking operations, collateral management, and withdrawal authorization workflows for regulated entities requiring custodial arrangements.

Transfero Crypto provides custody and withdrawal solutions for crypto assets alongside institutional OTC exchange services. The platform enables secure asset storage, wallet operations, and high-volume trading for institutional clients.

Regulated custody service for storing digital assets securely.

Liminal Digital Asset Custody provides regulated storage services for institutional digital assets through segregated accounts and hardware security modules. The system offers asset insurance, proof-of-reserve reporting, and compliance with CCSS Level-3 certification standards.

Sygnum Protect is an off‑exchange custody solution that lets users trade on major exchanges while holding collateral in bank‑grade custody with bankruptcy‑remote protections.

Bit2Me Custody implements institutional-grade cold storage architecture for digital assets, utilizing bank-level security protocols with offline storage segregated by client. The service maintains €150 million insurance coverage, supports over 200 cryptocurrencies, and operates under Bank of Spain registration D592 for portfolios exceeding €50,000.

Komainu Custody is a regulated digital asset custody solution providing secure, segregated, and verifiable on-chain storage for institutional clients with insolvency-remote trust structure and compliance oversight.

Gemini Custody offers secure cold storage for digital assets.

Cactus Custody provides institutional digital asset custody for secure storage and management of crypto assets.

A custody platform implementing MPC-CMP protocol for distributed private key management and collaborative signatures. The system provides both self-custody and full custody modes with hardware security module integration, trusted execution environment protection, and multi-level approval workflows. Features include automated AML/KYT monitoring, role-based access controls, off-chain settlement through OpenLoop network, and developer infrastructure via WaaS APIs. The platform supports institutional multi-party governance requirements with customizable rule engines and transparent audit trails.

Bullish Custody is a secure digital asset custody solution combining offline cold storage with multi-signature protection and whitelisted transfers within a regulated framework.

Bitcoin Suisse Custody is an institutional crypto custody service built on the Bitcoin Suisse Vault, providing segregated addresses, robust offline and physical security, and Swiss key storage. Users access assets via web and app with API support for operations and optional governance participation where supported.

Amdax Institutional Custody implements enterprise-grade digital asset storage through multi-signature cold storage and segregated custody architecture, enabling institutional clients to securely store and manage crypto assets. The system provides qualified custodian services with multi-layer security protocols and regulatory compliance frameworks.

Regulated, insured qualified custody for digital assets with up to $250M in insurance coverage.

Custody Services provides institutional-grade digital asset storage through MPC segregated on-chain wallets. The system offers Lloyd's of London insurance coverage, Hardware Security Modules, and multi-party signature technology with transparent on-chain verification.

Through its Custodian services, Crypto Finance Group manages and stores digital assets in a secure environment with state-of-the-art hardware governance and transaction approval processes. The system supports multiple assets and provides operational flexibility for banks and institutions.

Institutional Services provides professional trading infrastructure including OTC desk, custody solutions, staking services through Figment partnership, and multi-vault treasury management for institutional clients.

Zodia Custody Platform is an institutional-grade digital asset custody with air-gapped Hardware Security Modules and segregated wallets, enabling secure storage with 24/7 instant withdrawals. The system maintains asset segregation while providing compliance frameworks for regulated environments.

MoraBanc Digital Asset Custody provides individualized cryptocurrency storage and management services, supporting Bitcoin, Ethereum, and stablecoins including USDT, USDC, and EURC with institutional-grade security and compliance.

Boerse Stuttgart Digital Custody implements MiCAR-licensed crypto asset storage with multi-tier security architecture, providing institutional-grade digital asset custody services including hot, warm, and cold wallet management with integrated insurance coverage.

Regulated digital asset custody services licensed by Puerto Rico's OCIF, providing secure storage, conversion capabilities, and settlement services for institutions and corporates with SOC 2 Type 2 and ISO certifications.

An institutional custody service for digital assets built on banking-grade security infrastructure. The platform holds assets in segregated accounts with 1:1 backing and no rehypothecation, enabling users to maintain custody protection while executing trades. The service leverages multi-layered security architecture and applies operational best practices inherited from traditional banking custody standards.

Secure custody solution for digital assets tailored for Asian institutions.

Secure crypto custody using advanced MPC technology for institutions.

NDAX Treasury Service provides businesses with secure cryptocurrency management capabilities, offering custody solutions, trading services, and staking options within an institutional-grade security framework.

ICONOMI Platform implements portfolio management through copy trading, enabling creation and tracking of cryptocurrency strategies. The system automates rebalancing while providing zero-spread trading across multiple exchanges.

Institutional-grade platform providing custody, trading solutions, DeFi connectivity, staking, wallets-as-a-service, and treasury management for digital assets. Features include off-exchange settlement, multi-party computation security, and support for multiple blockchains.

Comprehensive institutional-grade platform offering secure custody, trading execution, lending services, and asset management solutions for digital assets, primarily Bitcoin and Ethereum.

Secure Bitcoin custody service for institutional investors.

Wallex Custody Pro provides advanced digital asset storage with multi-currency support, automated conversion features, and crypto payment capabilities. The service combines custodial wallet management with fiat on-ramp functionality and portfolio optimization tools.

Impenetrable Vault provides air-gapped digital asset custody through zero-connectivity architecture, enabling blockchain transactions via one-way communication protocols. The system maintains complete internet isolation while supporting remote operations through Proxy Vault technology and policy-controlled transaction execution.

Prosegur Crypto implements air-gapped cold storage technology with multi-signature approval systems and MPC protocols, enabling institutional-grade digital asset safekeeping. The system combines physical vault security with patented cybersecurity measures while providing mobile app-based management and transaction reporting.

SkyBridge Bitcoin Fund LP implements institutional-grade Bitcoin custody and management, enabling accredited investors to gain cryptocurrency exposure without direct ownership. The system provides net asset value trading and professional fund administration through established financial infrastructure.

Digital Asset Solutions provides fund administration, custody, and tokenization services for institutional clients with digital assets. The platform supports Bitcoin and Ethereum ETF servicing, asset tokenization, and integrates digital assets alongside traditional investment portfolios.