Trezor is a hardware cryptocurrency wallet maker that builds offline cold-storage devices for crypto investors, long-term Bitcoin holders, and security-conscious traders who want to keep private keys away from internet-connected devices. Marketed as a hardware crypto wallet for self-custody, Trezor combines open-source firmware, support for 9,000-plus coins and tokens, on-device PIN and passphrase protection, Shamir backup for advanced recovery, native integrations with Trezor Suite desktop and web apps, and the Trezor Safe 5 with a touchscreen and EAL 6+ secure element. Trezor is a strong fit for long-term crypto holders moving funds off exchanges, family wealth managers handling multi-signature setups, and DeFi users requiring secure transaction signing.