List of Custodian companies in Web3

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

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.

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.

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.

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.

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

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.

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.

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.

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.

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.