The best alternatives to Sarcophagus

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.

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.

DGLegacy is a digital legacy planning and inheritance app that helps you catalog your digital, financial, and crypto assets, designate beneficiaries and trustees, and ensure your loved ones are informed about and can locate your assets in the event of an unforeseen event. Its Heartbeat protocol detects fatal events and triggers proactive beneficiary notifications.

Vault12 Guard is a non-custodial mobile app that provides secure decentralized backup and inheritance for crypto wallet seed phrases and private keys. It uses quantum-resistant cryptography and a peer-to-peer network of trusted Guardians to eliminate single points of failure, with no cloud storage or server dependency.

Unchained Vaults offers institutional-grade collaborative custody for bitcoin using 2-of-3 multisig technology. You hold two keys for full control, while Unchained holds one key as a secure backup. This eliminates single points of failure from lost keys, hackers, or exchange failures while preserving direct ownership of your bitcoin.

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.