The ultimate cold storage solution for your digital assets. Military-grade security meets intuitive design in the world's most advanced hardware wallet.
Explore Security FeaturesOur custom-designed secure element is resistant to both current and theoretical quantum computing attacks.
Complete offline functionality ensures your private keys never touch internet-connected devices.
Distribute authorization across multiple devices for enterprise-grade security configurations.
Self-destruct mechanism activates at any physical breach attempt, protecting your assets.
Store and manage 1000+ cryptocurrencies with continuous firmware updates for new assets.
EMP-shielded, waterproof, and shock-resistant construction for operation in any environment.
Trézōr.iō/start® represents the third generation of hardware wallet technology. Unlike competitors using off-the-shelf components, we developed a custom secure element processor with quantum-resistant algorithms, giving you protection years ahead of conventional solutions. Our air-gapped operation and tamper-proof design provide security guarantees no other wallet can match.
Your assets remain completely secure and can be recovered using our proprietary Shamir Backup System™. During setup, you'll create encrypted shares of your recovery phrase that can be stored in multiple secure locations. Unlike traditional seed phrases, our system requires multiple shares to reconstruct your wallet, preventing single-point failures.
Trézōr.iō/start® supports all major cryptocurrencies including Bitcoin, Ethereum, ERC-20 tokens, and 1000+ other digital assets. Our firmware is regularly updated to add support for new cryptocurrencies and blockchain features. You can check our website for the complete and always-updated list of supported assets.
Each Trézōr.iō/start® device is manufactured in our Class-10 cleanroom facility with military-grade supply chain security. Every secure element is personally programmed by our founder in a secure bunker facility, with multiple verification steps to ensure integrity. The devices are then shipped in tamper-evident packaging with cryptographic verification of authenticity.