List of Custody Technology Provider projects on Polygon (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.

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.

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.

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.

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.

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.

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.

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 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 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.

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 is a custody technology platform that lets businesses create and operate MPC wallets for stablecoin deposits, payouts, and treasury management. It splits each private key into shares held on independent nodes, so transactions are signed without the full key ever being assembled. Teams integrate through one API across multiple blockchains, with automated sweeps and approval policies, and can run it on the managed cloud, self-host it, or deploy it as a white-label custody backend.

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

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.

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 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.