The best alternatives to Unchained Vaults

Casa provides self-custody security for Bitcoin and stablecoins through multi-key vaults. Users hold their own private keys across multiple devices and locations, protecting against hacks, device failure, and accidental loss. Plans include Standard (3-key), Premium (5-key), and Private Client, with built-in inheritance planning and dedicated expert support.

Nunchuk is a Bitcoin multisig wallet platform that combines cutting-edge security with inheritance planning. It supports multi-signature wallets with extensive hardware compatibility, enabling users to eliminate single points of failure while maintaining full self-custody without KYC. Pioneering autonomous Bitcoin inheritance with on-chain timelocks designed to outlive the company itself.

Muun is a self-custodial Bitcoin and Lightning Network wallet that combines on-chain and off-chain payments into a single balance. It features a unique 2-of-2 multi-signature architecture with an Emergency Kit recovery system, mempool-based fee estimation to minimize costs, and support for both Lightning instant payments and on-chain transactions from one unified interface.

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.

Safe is the leading smart contract multi-signature wallet infrastructure for secure self-custody, onchain treasury management, and organizational transactions. Used by DAOs, teams, and power users to manage crypto assets with distributed signing authority, eliminating single points of failure.

Serenity Shield provides blockchain-powered security solutions for digital assets, including the sAxess biometric cold wallet card and sBox decentralized seed phrase storage. Their hardware wallet uses fingerprint authentication for military-grade self-custody, supporting Bitcoin, Ethereum, and thousands of other tokens across 100+ blockchains.

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.

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.

Inheriti is a decentralized data protection platform that enables users to securely backup passwords, PINs, private keys, and crypto assets. It offers tamper-proof encrypted backups and controlled digital inheritance planning, ensuring your digital legacy reaches the right hands through a patented Secure Share Distribution Protocol.

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.