The best alternatives to Komainu

Liminal is a custody and wallet infrastructure platform for institutions. It offers MPC and Multi-Sig powered secure wallets, institutional custody, staking, automation, firewall, and compliance tools. Trusted by institutions across 12 countries, it supports 1,200+ tokens and holds ISO and SOC 2-Type 2 certifications.

Hex Trust is a fully licensed institutional digital asset custodian offering secure custody, staking, OTC trading, token wrapping, and payment solutions. Regulated in Hong Kong, Dubai (VARA), and Singapore (MAS), it provides enterprise-grade asset protection for protocols, financial institutions, and investors.

Zodia Custody is a bank-backed, institution-only digital asset custodian that bridges traditional finance with the digital asset ecosystem. It provides secure cold wallet storage with 24/7 instant withdrawals, fully segregated wallets, HSM-based private key protection, and comprehensive insurance. Regulated across the UK, Luxembourg, Hong Kong, and ADGM.

Gemini Custody is a regulated digital asset custody solution for institutions, private wealth, and businesses. It uses offline cold storage with multi-party technology, role-based governance protocols, and biometric access controls to safeguard digital assets. Gemini is a qualified custodian and fiduciary under New York Banking Law.

Vaultody is a non-custodial digital asset wallet infrastructure platform powered by MPC/TSS security. It provides enterprises with Direct Custody, Treasury Management, and Wallet-as-a-Service solutions for secure, compliant, multi-chain digital asset operations.

Fidelity Digital Assets provides institutional-grade custody and trading for digital assets, combining the trust and expertise of Fidelity Investments with secure cold storage, multi-venue liquidity access, and 24/7 service tailored for institutions worldwide.

Xapo Bank provides institutional-grade Bitcoin custody secured by military-grade underground vaults, MPC-CMP technology, and multi-layered digital protections. Since 2013, their regulated platform has offered a fortress for long-term Bitcoin storage, combining physical bunkers with advanced cryptography to protect against theft, loss, and hacking.

Cobo is an institutional digital asset infrastructure platform offering custody and wallet solutions with four wallet technologies — Custodial, MPC, Smart Contract, and Exchange Wallets — all accessible via a unified API. Supporting 80+ blockchains and 3,000+ tokens, it enables businesses to securely manage digital assets, automate operations, and scale with confidence.

Copper is an institutional-grade digital asset custody platform that uses Multi-Party Computation (MPC) technology to secure digital assets for professional investors. Its award-winning architecture splits each wallet into three shards controlled separately by the client, Copper, and a Trusted Third Party, with a 2-of-3 quorum required for signing. Supporting 600+ assets across 60+ blockchain networks, Copper serves asset managers, hedge funds, exchanges, banks, and other institutional clients.

Fireblocks is an enterprise-grade platform that provides secure digital asset and stablecoin infrastructure for organizations. It enables businesses to build, manage, and scale digital asset operations including custody, treasury management, wallet services, tokenization, and payments — all backed by MPC-based security and a defense-in-depth architecture.