Air-Gapped Crypto Storage: How It Works and Why It Beats Standard Hardware Wallets
Most hardware wallets marketed as "secure" still maintain an electronic data link to the host computer or phone. Air-gapped crypto storage eliminates that link entirely, restricting communication to optical or manual channels. The distinction matters: a USB cable or NFC tap can carry exploit payloads alongside transaction data. A QR code cannot. Understanding what qualifies as a true air gap, and what does not, is essential for anyone who takes self-custody seriously.
What "Air-Gapped" Strictl