Should You Use an Old iPhone as Your Crypto Wallet?

Crypto security is a major topic right now after recent hardware wallet exploits and concerns about quantum computing. Popular blockchain investigator ZachXBT recently shared a bold opinion that dedicated hardware wallets are unreliable. He argues that using an old iPhone, kept offline and used only for signing transactions, provides better protection for your digital assets.

The idea has sparked a debate among tech experts. Tornado Cash developer Roman Storm pointed out a significant hurdle for this method. He noted that most mobile wallet apps currently lack support for BIP39 passphrases. This feature allows users to add an extra layer of security to their seed phrases, and it is a standard offering on most dedicated hardware devices.

While the iPhone concept is interesting, it requires a high level of technical discipline to manage securely. Unlike specialized hardware wallets designed specifically to keep private keys offline and isolated, a smartphone is a complex device with many functions. Many experts still maintain that established hardware wallets like Trezor, Keystone, and others offer more reliable protection for the average user.

Whether you choose an old phone or a dedicated device, the best security practice remains the same. Use tools you understand well and ensure you manage your seed phrases with extreme caution. For now, the industry is calling on developers to improve mobile wallet features before the iPhone as a vault concept becomes a mainstream reality.