List of Custody Technology Provider companies in Web3 (2026)

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.

ChainUp White Label MPC Wallet is 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 multiple blockchain networks. The platform also enables businesses to issue branded physical and virtual payment cards loaded with stablecoins, accepted at merchants in multiple 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.

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.

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

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.

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.