ARCIPEDIA · CUSTODY

Plain English

A hardware wallet is a small physical device dedicated to storing crypto private keys offline. Brands include Ledger, Trezor, and Coldcard.

How it actually works

The device holds keys in a secure chip and exposes them only when you physically approve a transaction on the device’s own screen and buttons. Even if your computer is compromised, an attacker cannot move funds without the device. The device communicates with a host app for sending transactions, but the keys never leave the device.

What it means for you

For any holding worth protecting, a hardware wallet is the working minimum. Setup takes 20 minutes; the security gap versus hot wallets is enormous.

How ARCrypto teaches this

We walk through hardware-wallet selection, initialization protocols, multi-signature pairings for larger positions, and the inheritance procedures that make the setup recoverable.

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Educational content only. Not investment, tax, or legal advice.