List of Custody Technology Provider projects on Ethereum (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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Ledig On-Platform Crypto Wallets & Blockchain Solutions is a custody technology platform that provides managed wallets for stablecoins to institutional clients. It handles the stablecoin lifecycle from issuance to settlement, offers a choice between chains for security or transaction speed, and supports white-label wallet deployment and custom smart contract infrastructure. The platform connects directly to Ledig's OTC liquidity desk for fiat-stablecoin conversion.

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.

Custodial Wallets is a managed custody product for holding and managing stablecoin and fiat balances on behalf of business customers. It provisions segregated wallets per customer across multiple blockchains through a single API integration, giving each customer dedicated wallet addresses with a unified balance view. The product integrates with the platform's payment and account services, enabling direct fiat-to-stablecoin conversions. Continuous transaction monitoring and configurable compliance controls are built into the custody infrastructure.

Vaultody Platform is a non-custodial wallet infrastructure product for exchanges, financial institutions, funds, and Web3 companies. It uses multi-party computation with threshold signing, where the customer holds a mandatory key share and keeps control of the assets. Teams organize assets in vaults and vault accounts and control them with roles, approval workflows, and transaction volume policies. The same infrastructure covers user wallets, organization wallets, treasury management, and stablecoin payments. A unified API, webhooks, gas sponsorship, and a mobile co-signer support automated operations across multiple blockchains.

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

Cybrid Platform is a payments infrastructure platform that lets fintechs, banks, and enterprises move money across stablecoins and fiat through a single API suite. It orchestrates conversions between bank rails such as ACH, wire, RTP, FedNow, EFT, and Interac and stablecoin transfers, while providing embedded KYC, KYB, and AML identity verification for onboarding. The platform also issues FBO and named accounts with wallet infrastructure secured through custodial and MPC-based key management, and sources stablecoin liquidity for settlement and treasury operations. It is used by developers building compliant cross-border remittance, B2B payment, and banking products without establishing direct banking or custody relationships themselves.