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Trezor (hardware wallet)

1 min read
Pronunciation
[tray-zor]
Analogy
Trezor is like a digital safe deposit box secured by open-source hardware.
Definition
A pioneering hardware wallet brand (Trezor One/Model T) offering offline key storage and secure transaction signing.
Key Points Intro
Trezor devices feature:
Key Points

Open-source firmware: Publicly auditable code.

Touchscreen (Model T): On-device PIN entry.

Shamir backup: Optional secret sharing.

Wide support: Integrates with many wallets.

Example
A user sets up Trezor Model T, writes down the 12-word seed, and uses the touchscreen to confirm Ethereum transactions.
Technical Deep Dive
Trezor uses a ARM Cortex-M MCU. Seed generated via hardware RNG. Firmware signed by manufacturer. Communication via WASM host libraries and U2F for WebAuthn.
Security Warning
Seed exposure during setup can compromise device; perform initialization offline.
Caveat
No secure element; relies on physical isolation and open-source review.
Related Terms
Hardware Wallet
Ledger
Cold Storage
Open Source

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