Against the backdrop of widespread concern about potential encryption breaches by quantum computers and the exploitation of the Coldcard hardware wallet at the end of July, cryptocurrency security has once again come into focus.
As is known, in his Telegram channel Investigations, ZachXBT expressed distrust in specialized hardware wallets and stated that an old iPhone might be better suited for this purpose. He noted that this idea was not for people with "low IQ."
Tornado Cash's key developer, Roman Storm, positively assessed this suggestion but warned of one critical drawback—the lack of a unified mobile application with support for the BIP39 passphrase.
The BIP39 passphrase is an additional, optional layer of security that allows a user to add a word or string to their standard seed phrase to create a hidden cryptocurrency wallet.
In his opinion, the real security problem "lies in someone being in your home," and switching to a dedicated iPhone does not solve this specific issue. At the end of his message, he called on mobile wallet providers to implement BIP39 support.
Simultaneously, he explained that most specialized storage devices in the industry—Trezor, Keystone, BitBox, Ledger, and even Coldcard—support the additional security layer provided by BIP39, making them superior to an iPhone in their current configuration.
The official Keystone account and Danny Sanders from Trezor added that the iPhone, as a more versatile device, possesses various additional features and characteristics, making its use as a wallet require technical knowledge and unwavering discipline in security matters.
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