Trezor Bridge is a lightweight communication layer that allows your web browser to securely interact with the Trezor hardware wallet without installing complex drivers. It enables seamless connection between desktop apps, browser interfaces, and the device for signing transactions and managing crypto assets. The Trezor Hardware Wallet is a physical security device developed by Trezor that stores private keys offline, protecting cryptocurrencies from online threats, malware, and phishing attacks. Together, they provide a secure ecosystem for managing digital assets with user-controlled private keys, transparent open-source firmware, and strong emphasis on self-custody and security in cryptocurrency management for everyday crypto users.