List of Custody Technology Provider companies in Web3 (2026)

Fireblocks Wallets 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.

Fireblocks Off Exchange is a settlement service that allows trading firms to keep collateral in Fireblocks-secured custody while trading on partner exchanges, rather than depositing funds directly onto exchange accounts. Positions and margin are tracked and settled between the custodied wallet and the exchange without moving assets onto the exchange itself. The service reduces counterparty exposure to exchanges for institutional trading operations.

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.

Builder Vault is a developer toolkit that enables applications to build custom wallet solutions with multi-party computation technology. It provides APIs and infrastructure for developers to create and integrate secure, self-custody wallet functionality directly into their platforms.

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

NOW Custody is custody infrastructure that enables businesses to store and manage digital assets using a combination of hot and cold storage. It provides an API for integrating custody, payouts, and conversions into partner platforms without requiring in-house storage infrastructure. Businesses use it to manage client asset custody as part of payment, exchange, or payout services.

AMIS is an enterprise custody technology provider building infrastructure that lets banks and other financial institutions offer digital asset custody and tokenized asset issuance. It combines hardware security modules with multi-party computation-based signing to secure cold and hot wallet operations, and provides a virtual asset management solution used by regulated institutions. The platform supports permissioned token issuance standards and is used to launch compliant digital asset custody services.

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

Embedded Brokerage is a fully managed digital asset brokerage service that operates behind a client's brand without requiring the client to hold its own licence. Aquanow supplies the regulatory licensing, compliance program, custody, and trade execution, including cold and warm wallet storage, crypto insurance coverage, and segregated, bankruptcy-remote account structures. It is intended for businesses that want to offer branded crypto trading to end customers while outsourcing the underlying regulatory and operational burden.

Safe{API} is developer infrastructure for building applications on Safe smart accounts. It provides APIs and SDKs for managing transactions, monitoring wallet activity, and automating transaction proposals and workflows.

Ledger Enterprise is an institutional custody platform that uses hardware security modules and governance frameworks for digital asset management. It provides multi-authorization workflows, customizable governance rules, and audit trails for organizations managing digital assets at scale.

Ledger Enterprise is an institutional custody platform that uses hardware security modules and governance frameworks for digital asset management. It provides multi-authorization workflows, customizable governance rules, and audit trails for organizations managing digital assets at scale.

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.

Liminal Whitelabel Solution is a custody infrastructure platform that lets exchanges and other virtual asset businesses launch branded wallet and custody applications built on Liminal's backend. It provides APIs and MPC and multi-signature security so clients can either hand custody of hot and cold wallets to Liminal or retain independent control of private keys. Web3 platforms and virtual asset service providers use it to bring a custom-branded custody product to market without building the underlying infrastructure themselves.

G-Custody is an enterprise custody technology offering cold wallet storage, multi-signature security, and AML/KYC-compliant transaction handling for businesses managing digital assets. Companies integrate through a REST API to receive, store, convert, and manage holdings across multiple cryptocurrencies while relying on regulatory compliance and monitoring tools. Businesses configure account cohorts and track portfolios through the same integration.

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.

Safeheron MPC Self-Custody is an institutional self-custody platform that uses multi-party computation and trusted execution environment technology to remove single points of failure while keeping full private key control. It provides multi-chain wallet governance through an Asset Vault and DeFi Vault, a configurable policy engine for transaction approvals, and compliance monitoring against high-risk transactions. Institutions access the platform through a mobile application, web console, browser extension, or APIs and SDKs to manage digital assets and connect securely to decentralized applications.

Alchemy Account Kit provides account abstraction infrastructure, including smart account contracts, SDK components, bundler services, and gas sponsorship, for gasless transactions and social login. Signer integrations support embedded wallet experiences.

Ripio Crypto as a Service is a B2B payments infrastructure platform that provides APIs for companies to embed cryptocurrency buying, selling, sending, and receiving into their own products. It uses multi-party computation technology to generate unique deposit addresses and secure custody for end users, alongside built-in KYC and compliance workflows. Wallets, exchanges, and fintech platforms use the service to launch crypto features without building blockchain infrastructure themselves.

Cregis Wallet as a Service is an enterprise infrastructure product that lets businesses generate wallet addresses and manage crypto transactions through an API without building custody technology themselves. It provides white-label wallet functionality that companies can embed into their own products, with addresses owned by the business. The service supports multi-chain asset operations and hosted front-end components for faster integration.

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.

Bitpanda Enterprise is a white-label infrastructure suite enabling financial institutions to offer digital asset investment, custody, liquidity, stablecoin issuance, payments, and tokenization services. It provides investment-as-a-service integration for banking apps, institutional-grade custody, principal-based liquidity access, and a compliance-oriented tokenization layer. Financial institutions, fintechs, and asset issuers use the suite to launch digital asset offerings without building infrastructure themselves.

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.

BlockBee Self-Custodial Wallet is custody technology that lets merchants hold their own private keys while BlockBee handles payment routing and payout execution. It uses a threshold signature scheme dividing signing authority into three key shares, requiring at least two shares to authorize a transaction, so BlockBee cannot move funds unilaterally. Users can send automated payouts to multiple addresses in a single request through the dashboard or API, with a separate recovery key allowing key regeneration if access is lost. The wallet supports multiple cryptocurrencies across several blockchain networks.

MPC Custody is a custody technology service that lets financial institutions hold and move client digital assets under approval policies. It creates wallets across multiple blockchains, signs and pushes transactions, and applies address whitelists and wallet blocks through the platform and API. Institutions use it to run custody without building the infrastructure themselves.

Zypto Custody is an institutional crypto custody service that safeguards digital assets through a multichain multi-party computation vault supporting both custodial and non-custodial wallet infrastructure. It is designed for institutions requiring secure storage of digital assets, operating under recognized security certifications. Businesses use the service to hold assets independently of Zypto's consumer wallet or payment products.

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

Orbital Platform is a payment network that unifies stablecoin and traditional payment rails for enterprises moving money across borders. It provides multi-currency accounts, named virtual IBANs, stablecoin wallets, and real-time currency exchange, with automated settlement for business transactions. Businesses receive, hold, exchange, and send funds across stablecoins, fiat currencies, and exotic currencies through a single web platform, initiating transfers via the web interface, bulk files, or a dedicated trading desk for large or complex trades. The dedicated desk negotiates tailored pricing for high-value or non-standard currency exchanges outside the standard automated flow.

SINOHOPE Custody Platform provides institutional wallet and custody services in two modes. The MPC wallet splits private key control across several parties for self-custody, while the full custody wallet offers a managed custodial setup. Both include approval workflows, role-based permissions, and compliance monitoring, and APIs let developers integrate wallet functions into their own applications.

Dfns Key Orchestration Service is enterprise key management infrastructure that provides composable deployment of multi-party computation cryptographic key shares across cloud, hybrid, and on-premises environments, including hardware security modules and trusted execution environments. It supports dynamic signer quorums, threshold signature schemes, hardware security module connectors, and disaster recovery layers. The service enables institutions to retain cryptographic control while meeting varied regulatory data sovereignty requirements.

Turnkey Key Management is a custody technology product that provides hardware-backed infrastructure for storing and managing private keys and other sensitive cryptographic material. It isolates key material inside trusted execution environments, gating every operation with authentication methods and policy enforcement such as multi-party approval. Enterprises use it for encryption key storage and disaster recovery workflows, with key import and export supported so keys can move between systems without exposure.

io.vault is a self-custody wallet for institutions and teams that uses multi-party computation so no single party controls the keys. Users approve transactions from a dashboard, API, or mobile app, apply transaction policies, and connect to DeFi protocols with simulated results before signing. It automatically supports tokens issued on its supported networks.

Uniwire Payment Gateway is a cryptocurrency payment processor that lets businesses accept, convert, and pay out digital assets through a dashboard, REST API, JavaScript SDK, or WooCommerce plugin. It generates invoices, processes multi-chain deposits, and executes automatic crypto-to-crypto conversion and withdrawals to blockchain addresses or bank accounts based on configurable thresholds. The system provisions MPC-based wallets for each merchant, supports Bitcoin transaction processing without waiting for confirmations, and integrates the Lightning Network's LNURL protocol alongside connections to third-party exchanges and on/off-ramp providers.

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.

Zerohash Qualified Custody is a regulated digital asset custody service that safeguards crypto, stablecoins, and tokenized securities for banks, brokerages, and fintechs. It stores and manages private keys through multi-party computation, segregates client balances, and provides audit-ready reporting across multiple blockchain networks. Platforms use it as an embedded custody layer instead of operating their own key infrastructure or combining several custody vendors.

Archax Custody is a regulated safeguarding service for cryptocurrencies, stablecoins, digital securities, and fiat cash. Digital assets are held in insolvency-remote, segregated accounts secured with MPC key management, with a programmable policy engine for approval workflows. It serves professional and institutional clients alongside the Archax exchange and OTC desk.

Nexus is a modular smart account platform that replaces traditional externally owned wallets with programmable, ERC-4337 and ERC-7579 compliant accounts. It provides custom authentication, session-based permissioning, and gas abstraction so applications can sponsor fees or let users pay gas in any token. Built-in smart sessions let users delegate scoped, revocable permissions to bots or AI agents with spending limits and contract whitelists, enabling automated onchain actions without exposing full account control. The account is compatible with EIP-7702, allowing existing wallets to gain smart account capabilities, and deploys with unified addresses across multiple blockchains.

Blockstream Enterprise is a custody and treasury management platform for institutions holding bitcoin. It provides secure storage, multi-approval transaction workflows, and asset management tools tailored to corporate treasury needs. Institutional clients use the platform to manage large bitcoin holdings with layered access controls.

Cobo Portal is a digital asset wallet platform that lets institutions manage custody, trading, and treasury operations from one interface. It combines custodial, multi-party computation, smart contract, and exchange wallet technologies under unified risk controls, approval workflows, and portfolio dashboards. Users connect to decentralized applications and centralized exchanges directly from the platform while enforcing customizable transaction and governance policies.

August is an onchain prime brokerage platform that gives institutions infrastructure to manage and settle digital assets. It combines smart contract accounts, pricing and risk engines, and execution tools so institutions can borrow, lend, and trade across DeFi, spot, and OTC markets. It also serves as the custody layer that other protocols, including Upshift, build on.

Bitpowr is a digital asset custody and wallet infrastructure platform for institutions and developers. It secures keys with multi-party computation and hardware security modules and offers a policy engine, tokenization, and compliance tools including AML and KYT monitoring. Businesses use it to create and manage wallets across multiple blockchains.

Utila Platform is an institutional MPC wallet platform for managing stablecoins and other digital assets. It protects keys with multi-party computation and enforces roles, limits, approval workflows, and address whitelists before any transaction executes. Teams use it for custody, treasury management, trading operations, and business continuity across a wide range of blockchains. It connects to exchanges, liquidity venues, on-ramps and off-ramps, and compliance providers through built-in integrations and a partner network. REST APIs and webhooks let developers automate wallet and transaction workflows.

Fystack is a custody technology platform that lets businesses create and operate MPC wallets for stablecoin deposits, payouts, and treasury management. Each private key is split into shares held on independent nodes, so transactions are signed without the full key ever being assembled. Teams use one API across multiple blockchains, with automated sweeps, gas sponsorship, and approval policies, on the managed cloud or on their own infrastructure.

An open-source MPC engine that lets teams run their own secure node cluster for distributed key management and transaction signing. Private keys are never stored or reconstructed in one place, with a threshold signing scheme requiring consensus across nodes before any operation executes.

Stillman Digital is an institutional digital asset trading platform offering market making, OTC execution, custody, and stablecoin settlement services. It operates as a principal OTC desk executing bilateral trades through RFQ workflows, alongside algorithmic market making that supplies continuous liquidity across centralized venues. Clients connect through a web interface or via FIX, WebSocket, and REST APIs, with co-located infrastructure supporting low-latency execution. Digital assets are protected through multi-party computation and cold-storage custody arrangements. A stablecoin settlement network handles cross-border fund transfers and treasury operations across multiple blockchain networks.

Wallet Builder lets enterprises create white-label wallets for mobile and browser extensions without writing code. Wallets include phone and email login, DApp connectivity, and push notifications, with SDK and API access for deeper integration. Enterprises can view user activity in KryptoGO Studio.

Finoa Platform is custody technology infrastructure that lets regulated virtual asset service providers and other institutions protect and manage their own customers' digital assets. It provides segregated wallets, multi-signature governance workflows, and on-chain transaction verification across multiple digital asset networks.

The Zondax TEE Remote Signer is a hardware and software stack for secure transaction signing using Trusted Execution Environments. Trusted applications run in an isolated environment separate from the host OS using OPTEE and Rust, exposing signing services to host applications through a defined network endpoint. The stack targets proof-of-stake validation and remote signing use cases for blockchain node operators.

Stellar SEP-30 Recovery Server is a custody technology infrastructure product that provides distributed key management and recovery for non-custodial Stellar wallets. It implements the SEP-30 protocol, letting wallet operators onboard users through familiar social logins instead of seed phrases while backup shares are held on distributed recovery servers. The system is used by wallet providers seeking to simplify onboarding for users unfamiliar with cryptocurrency while preserving self-custody.

Dynamic SDK is a wallet infrastructure platform that lets applications embed self-custody and server-managed wallets, connect external wallets, and accept stablecoin payments. It provides authentication through email, social login, and external wallets, key management via threshold signature schemes, and smart account features for gas sponsorship and approval logic. Developers use it to onboard users, manage compliance and fraud controls, and move funds across multiple blockchains without building wallet infrastructure from scratch. The platform also supports global wallets that operate across multiple partner applications and programmatic server wallets for automated signing.

Fuze OS is a digital asset infrastructure platform that lets banks, fintechs, and other businesses embed crypto trading, custody, payments, and stablecoin services into their own products. It provides unified APIs for wallet creation, fiat and crypto account management, trading execution, and compliance monitoring. The platform handles order execution, custody orchestration, and reconciliation while giving operators a dashboard to track transactions and compliance events. It supports fiat-to-crypto conversion, cross-border settlement, and AI-assisted compliance automation. Businesses use it to launch branded trading, payment, and wallet experiences without building regulatory or custody infrastructure themselves.

Interchange is an institutional settlement network that lets clients trade, borrow, and lend digital assets across multiple venues while the assets stay in segregated custody until settlement. It automates net settlement and gas fee management through rules-based workflows, with delivery-versus-payment settlement on an on-chain engine. Venues mirror client holdings without the assets leaving custody.

Ivorypay Wallet and Treasury Management is a business wallet and treasury platform for managing global payment flows from one interface. Businesses generate wallet addresses to receive payments, hold crypto and fiat balances, automate supplier payouts, and manage customer deposits with role-based approval workflows. Fintechs, payment processors, and marketplaces use it to hold multi-currency reserves, automate currency conversions, and build custom payment flows without developing blockchain infrastructure themselves. The platform offers a complete API suite enabling white-label integration.

BlockWyre 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. The wallets can connect to decentralized finance applications and receive funds issued through BlockWyre's card programmes.

XBTO White Label is a managed digital asset platform that businesses deploy under their own brand to offer trading, custody, and investment services to their customers. It is delivered as a hosted software service with base and full white-labeling tiers, tenant and asset configuration, and an administrative console for managing client operations. Revenue is shared between XBTO and the operating business rather than charged as a flat licensing fee.