Crypto investigator ZachXBT has sparked a debate by suggesting that a dedicated iPhone may offer superior security compared to traditional hardware wallets.
CryptoNews.pk Newsroom· 16 Jul 2026· 2 min read
Key takeaways
■ Dedicated hardware wallets remain more secure than standard mobile devices due to specialized, immutable firmware.
■ Air-gapped iPhones suffer from a larger attack surface and lack native support for critical security protocols like BIP39.
■ Pakistani users should avoid using daily-use mobile devices for crypto storage to prevent total loss of assets.
The Security Shift
On October 24, 2024, crypto investigator ZachXBT stated that using a dedicated, air-gapped iPhone could provide more security than traditional hardware wallets. According to CryptoSlate, the argument is based on the premise that both devices function as signing mechanisms, and the primary security concern involves how a transaction is handled after a signature is generated. The discussion has prompted a broader review of how mobile devices compare to purpose-built hardware in protecting digital assets.
Expert Perspectives
Roman Storm, a figure in the privacy space, has expressed support for the concept while noting significant technical limitations. According to BeInCrypto, Storm noted that while the iPhone approach has merit, the lack of native BIP39 passphrase support in standard mobile configurations can leave users vulnerable. This highlights a gap between the convenience of mobile interfaces and the specialized encryption protocols that dedicated hardware wallets provide by default.
The Vulnerability Gap
As reported by CryptoSlate, the debate centers on the complexity of operating systems. While hardware wallets are designed as immutable signing devices, the complexity of modern mobile operating systems introduces a larger attack surface. Critics of the iPhone method argue that even an air-gapped device is subject to the inherent risks of mobile firmware, which is not specifically hardened for the unique threat model of cryptocurrency custody.
Impact for Pakistani Holders
For crypto holders in Pakistan, this debate highlights the importance of choosing a custody strategy that balances security with local accessibility. Because hardware wallets often require international shipping and can be difficult to source locally, many Pakistani users rely on mobile-based software wallets. Users should remain cautious. Given the current regulatory environment, where crypto assets lack formal recognition under the State Bank of Pakistan or SECP frameworks, losing access to funds through poor security practices is a significant risk. If you choose to use a mobile device for storage, ensure it is a dedicated unit that is never used for general browsing or social media to mitigate potential exposure. This article is for informational purposes only and does not constitute financial advice.
Final Takeaway
While using an old iPhone for cold storage is an intriguing concept, Pakistani investors should prioritize established hardware security standards until mobile-based solutions offer more robust, industry-standard protection.
This article was compiled with AI assistance and reviewed by our editorial team before publication.
Can an old iPhone serve as a secure hardware wallet?
While some experts suggest an air-gapped iPhone can function as a signing device, it lacks the specialized, hardened firmware found in dedicated hardware wallets. The complexity of mobile operating systems creates a larger attack surface compared to immutable hardware devices.
What is the main security risk of using a phone for crypto storage?
The primary risk is the mobile operating system's complexity and lack of native support for advanced security features like BIP39 passphrases. Even when air-gapped, standard mobile firmware is not specifically designed to protect private keys against sophisticated digital threats.
How should Pakistani crypto holders secure their assets?
Pakistani investors should prioritize established hardware wallets for cold storage to mitigate risks. If using a mobile device, ensure it is a dedicated unit that never connects to the internet or social media to minimize exposure.
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CryptoNews.pk Newsroom
Editorial Team
Reporting on crypto in Pakistan in Urdu and English.
