List of Custody Technology Provider companies in Web3 (2026)

Fireblocks is a custody technology platform providing MPC-based wallet infrastructure for institutional digital asset operations. The platform uses multi-party computation to distribute private key control across multiple parties, eliminating single points of failure in key management. A configurable policy engine enforces transaction authorization rules, enabling treasury management, DeFi access, and compliance workflows across multiple blockchains.

Institutional Vault is a custodial and self-custody platform for institutional clients to manage digital assets securely. It provides multi-party computation technology for key management, compliance features, and operational controls designed for institutional asset management requirements.

On-chain smart contract system enabling projects to securely store and manage assets for bug bounty rewards, increasing trust with security researchers.

Implements account abstraction infrastructure through modular smart contracts and SDK components, enabling gasless transactions and social login. The system includes bundler services, gas sponsorship management, and signer integrations for seamless wallet experiences.

API-based infrastructure for enterprises to offer crypto trading, custody, and transfers. Includes KYC/AML, liquidity, and regulatory compliance for institutions.

Safe{Core} is a developer infrastructure platform that provides smart account tooling, SDKs, and APIs for building applications with account abstraction. The system includes smart contracts, unified interfaces for Safe Smart Account functionality, and transaction service infrastructure for indexing and managing account operations.

Safello Crypto-as-a-Service provides white-label digital asset brokerage infrastructure to financial institutions through a modular Institutional API, enabling third parties to offer cryptocurrency trading, custody, and settlement under their own brand. The platform handles compliance, risk management, liquidity, and second-line customer support. Institutional custody is built on Fireblocks MPC technology with segregated customer funds and an institutional portal delivering real-time reporting and order handling with built-in dual authorization. Business solutions include cross-border stablecoin payments, stablecoin settlement between counterparties, fiat on/off-ramp services in multiple currencies, and asset management infrastructure for financial clients.

Bridge Wallets API provides regulated custodial wallet infrastructure for stablecoin management, enabling user and treasury wallet creation with compliant fund custody. The system processes stablecoin transfers through orchestration APIs while maintaining regulatory compliance across supported jurisdictions.

An institutional custody platform that uses hardware security modules and governance frameworks for digital asset management. Provides multi-authorization workflows, customizable governance rules, and audit trails.

G-Custody provides enterprise cryptocurrency custody infrastructure with cold wallet storage, multi-signature security, and AML/KYC compliance integration. The platform enables businesses to receive, store, convert, and manage digital assets through REST API integration while maintaining bank-grade protection standards and international regulatory compliance. Users configure cohorts and access real-time portfolio tracking with finance-grade analytics.

An institutional self-custody platform that uses MPC and TEE to remove single points of failure while keeping full private key control. It provides multi-chain wallet governance, a policy engine, AML integrations, Web3 access, and operational tooling such as API Co‑Signer, Asset Vault, and DeFi Vault.

Cregis WaaS provides API infrastructure for businesses to integrate cryptocurrency wallet functionality without building custom implementations. The service enables wallet address generation, transaction management, and multi-chain asset operations through standardized interfaces with white-label customization options.

BlockBee Self-Custodial Wallet provides secure cryptocurrency storage and management with advanced cryptographic security through API Key V2 and recovery key architecture. Users maintain full control over private keys while accessing automated payout functionality for sending payments to multiple addresses. The wallet system supports mass payout operations, allowing businesses to process batch cryptocurrency distributions through API integration or manual CSV import. All wallet operations require API Key V2 authentication and support multiple cryptocurrencies across various blockchain networks.

Bitpanda Technology Solutions provides investment-as-a-service infrastructure enabling financial institutions to offer cryptocurrency and digital asset trading. The system integrates with banking apps and platforms, serving clients including N26, Deutsche Bank, and Raiffeisen through white-label solutions.

MPC Custody provides enterprise-grade digital asset custody using Multi-Party Computation technology with six security layers, SOC2 Type II certification, and customizable governance systems for institutional clients.

Dfns Key Orchestration Service (KOS) is an enterprise key management infrastructure providing flexible, composable deployment of MPC cryptographic key shares across cloud, hybrid, and on-premises environments including HSMs and trusted execution environments. It supports multi-party computation protocols with dynamic signer quorums, threshold signature schemes, PKCS#11 HSM connectors, and disaster recovery layers, enabling institutions to retain cryptographic control while meeting diverse regulatory requirements.

io.vault is a self-custody solution using trustless Multi-Party Computing to manage digital assets across multiple blockchains without single points of failure. The system distributes key shares among multiple parties through MPC technology audited by Kudelski Security, enabling automated transaction policies via Intel SGX-secured Virtual Signer. Supporting automatic ERC-20 token detection and unlimited transaction volume, the platform provides transaction screening with real-time risk detection, biometric mobile approvals, and open-source disaster recovery tools for institutional asset management.

A TypeScript library built on Viem that provides a unified interface for building chain-abstracted smart accounts (Omni Accounts). The SDK supports account-agnostic development, intent creation, multi-chain abstraction, and module customization with familiar APIs.

Aquanow Hold provides custodial infrastructure with secure wallet services and a crypto ERP, enabling institutions to offer digital asset custody. It includes white-label portals, access governance, transaction authorization, and fiat‑crypto custody integration with compliance controls.

Digital asset custody service implements MPC wallet architecture, enabling institutional-grade storage and transaction processing across multiple blockchain networks. The system provides secure key management through distributed cryptographic protocols while maintaining regulatory compliance for enterprise clients.

Archax Custody provides FCA-regulated digital asset safeguarding through multi-signature wallets and cold storage infrastructure, integrating Ripple Custody and Fireblocks technology for institutional-grade security and treasury management across cryptocurrencies and tokenized assets.

Nexus is a modular smart account solution that allows users to deploy programmable smart accounts with custom authentication, gasless transactions, and session keys. The system supports ERC-4337 and ERC-7579 standards while providing gas-efficient account management across multiple chains.

Bitzaro PocketAccount is an API-based wallet-as-a-service platform that enables businesses to create and manage self-custody wallets at scale. The service utilizes MPC wallet architecture with private key-less security, KYT compliance monitoring, and $2M asset insurance coverage through Coincover.

Ripple Custody provides institutional digital asset custody software with secure governance and flexible deployment for safeguarding and managing assets.

Bitpowr is digital asset custody infrastructure that combines MPC technology and hardware security modules for institutional wallet management. The platform provides multi-chain support, policy engines, tokenization capabilities, and compliance tools including AML/KYT monitoring across blockchain networks.

Utila Platform delivers institutional digital asset infrastructure with MPC-secured wallets, granular policy controls, multi-chain support, and APIs enabling secure custody, stablecoin operations, treasury management, trading, tokenization, and compliance integration across blockchain networks.

Fystack provides developer toolkit for creating secure MPC wallets through distributed key management across multiple cloud providers, offering both API and SDK interfaces for wallet integration without exposing private keys in applications.

Omni White-label wallet infrastructure enabling enterprises to deploy fully branded, multi-chain mobile wallet applications on iOS and Android. The platform provides customizable UI, multi-portfolio management, in-app yield strategies, fiat on-ramp integration, and compliance-ready security with multi-layered encryption and MFA. Targets fintechs, neobanks, gaming platforms, exchanges, and financial institutions seeking to integrate Web3 wallet capabilities.

Wallet Builder enables enterprises to create white-label cryptocurrency wallets with integrated compliance features, supporting multi-chain asset management and customizable user interfaces for Web3 applications.

Finoa Platform provides custody technology infrastructure enabling regulated virtual asset service providers to secure and manage digital assets for institutional clients. The system supports fully segregated wallets, multi-signature governance workflows, and on-chain transaction verification across multiple digital asset networks. The platform integrates in-custody staking capabilities and prime brokerage access, allowing institutions to manage and grow portfolios without transferring assets off-platform.

Palisade Platform provides digital asset custody infrastructure through MPC and HSM technologies, enabling wallet management, payment processing, treasury operations, and token issuance. The system integrates policy engines, compliance screening, and multi-blockchain support for enterprise digital asset operations.

Blocto SDK implements cross-platform wallet integration through unified APIs, enabling developers to connect Web3 applications across JavaScript, iOS, Android, and Unity environments. The system supports multi-chain wallet interactions while abstracting complex blockchain integration processes for streamlined dApp development.

BlockWyre Digital Wallets is a Wallets-as-a-Service platform enabling fintechs and developers to create and manage custodial and non-custodial wallets across multiple blockchains through a single API, with hot and cold storage, NFT support, and DeFi connectivity. Businesses embed wallet infrastructure into their own platforms with MPC-secured key management, AML transaction screening, and a customisable policy engine for transaction approval workflows and governance controls.

APACX WaaS provides enterprise digital asset custody through MPC wallet architecture, enabling private key sharding and risk management controls. The system offers anti-tracking protection, transaction monitoring, and compliance checking tools for institutional cryptocurrency operations.

AnchorNote provides custody-native pledging infrastructure for off-exchange settlement, enabling institutional clients to trade digital assets across multiple venues without moving assets out of custody through coordinated messaging and collateral management.

Fordefi provides institutional-grade MPC wallet infrastructure purpose-built for DeFi trading, staking, and lending operations. Institutions can scale trading strategies across networks while maintaining secure self-custody through integrated features including DeFi Connectivity for blockchain access, Transaction Clarity for simulation and verification, Policy Engine for governance controls, Browser Extension for dApp interaction, and Exchange Connectivity for CEX integration. The platform maintains enterprise security through hardware-isolated MPC key management and enclave-protected credentials.

Pimlico Platform is an account abstraction infrastructure platform that provides bundlers, paymasters, TypeScript libraries, and developer tools. The platform includes Alto bundler for transaction relaying, paymaster services for gas sponsorship, permissionless.js library for smart account integration, FlashFund for cross-chain liquidity, and Batua for embedded wallet components.

Custodial Wallets is a managed stablecoin custody product that provisions segregated wallets per customer across multiple blockchains through a single API integration. Each customer receives dedicated wallet addresses with a unified balance view for holding and managing stablecoin funds. Continuous AML transaction monitoring and real-time balance tracking are built into the platform.

On-Platform Crypto Wallets & Blockchain Solutions is a custody technology platform that provides secure managed wallets for stablecoins for institutional clients. It handles the complete stablecoin lifecycle from issuance to settlement, offers flexible chain options for security or transaction speed, and supports white-label wallet deployment, custom smart contract infrastructure, and tokenised asset solutions. The platform connects directly to Ledig's OTC Liquidity Desk for instant fiat-stablecoin conversions.

Custody Technology is an enterprise custody security system that combines physical asset protection with cryptographic security layers. The system removes the need for administrators to access keys directly, preventing insider theft. It implements cryptographically secured KYC and KYT verification, and maintains a full audit trail while preserving participant privacy. The product is developed in partnership with Brinks Global Services, integrating physical security infrastructure with MatterFi's cryptographic layer.

Embedded Crypto Accounts is a wallet infrastructure platform that allows businesses to create and manage customer wallets directly within their applications. The system provides programmatic wallet creation, transaction management, and custody solutions for seamless user onboarding.

An institutional custody technology platform for managing digital assets. It uses MPC with threshold signatures and hardware enclaves (Intel SGX and AMD SEV) for key protection. Features include general and smart vaults, transaction policy workflows, team roles, a mobile approver app, APIs, webhooks, automations, and hot/warm vault options. The platform supports multiple blockchains.

Fuze Crypto Wallets provides hosted custody services through managed private key infrastructure, enabling businesses to offer secure cryptocurrency storage and transaction capabilities to end-customers. The system creates internal wallets with automated deposit tracking and balance management while supporting external wallet registration for withdrawal destinations and counterparty reconciliation.

A white-label, self-custodial wallet infrastructure solution built on Multi-Party Computation technology for businesses managing digital assets. The system uses a tiered hot, warm, and cold wallet architecture, a configurable policy engine for multi-approval transaction governance, real-time monitoring with threat alerts, and automated fund consolidation between sub-wallets and omnibus wallets. It supports more than 200 blockchain networks. The platform also enables businesses to issue branded physical and virtual payment cards loaded with USDT or USDC, accepted at merchants in more than 180 countries through VISA and MasterCard networks with support for Apple Pay, Google Pay, and ATM withdrawals, with built-in KYC, KYB, KYT, and AML compliance controls.

Lit SDK is a JavaScript SDK that enables developers to implement key management, encryption, and cross-chain computation in their applications.

A decentralized network providing modular custody infrastructure through distributed MPC technology and open-source components.

Circuit is a keyless backup and recovery platform for crypto assets, providing real-time threat response and trustless operations.

A physical seed phrase backup device crafted from 304 stainless steel, providing fireproof, waterproof, and corrosion-resistant storage for cryptocurrency recovery phrases through an industrial etching process on metal letter tiles.

A B2B service enabling financial institutions and family enterprises to establish trust companies in Hong Kong using UTGL's regulatory licenses, technology infrastructure, and banking network. Clients receive trust company formation support, access to pre-established bank accounts, compliance and regulatory administration, and the option to co-issue Mastercard credit cards under their own branding using UTGL's card-issuing license. The service targets large financial groups seeking to extend trust services to their own clients and high-net-worth family businesses seeking autonomous governance over treasury assets.

Silent Shard is an MPC-based threshold signature library that enables distributed private key management for digital wallets. The system splits private keys across multiple devices using cryptographic protocols while maintaining signing capabilities under 20 milliseconds for multi-party configurations.

Enterprise-grade platform for secure digital asset custody, tokenization, and management.

A regulated investment program specializing in rare trading cards as alternative assets, with authentication, storage, and portfolio management.

Bastian Hold is a custodial wallet solution with built-in KYC for secure asset storage and management. The platform supports auto-conversion to client stablecoins, crypto payment acceptance, and white-labeled wallet integration for embedded products.

uMPC provides multi-party computation custody through unlimited co-signer architecture, enabling distributed key management across cloud, on-premise, and HSM environments. The system delivers high-speed transaction processing with flexible shard distribution and granular policy controls.