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FollowingTrezor responded to ZachXBT's criticism and emphasized that hardware wallets are still the first choice for mainstream self-custody.
In response to blockchain investigator ZachXBT's previous remarks that hardware wallets are "not suitable for storing cryptocurrency and signing transactions," Trezor recently responded to defending the role of hardware wallets. The company pointed out that this criticism reflects more the needs of advanced users than the general situation of the majority of cryptocurrency holders.
Denny Sanders, chief commercial officer of Trezor, said in an interview on "The Starting Block" that hardware wallets are not perfect, but for now, they are still the strongest self-managed solution available to most cryptocurrency holders. He emphasized that experienced investors do need a layered security strategy when managing large digital assets, but this professional approach should not become a general recommendation for all cryptocurrency owners.
Sanders admitted that striking a balance between ease of use and strong security has always been a problem. But he insists that denying hardware wallets altogether would ignore the protective value they provide to ordinary users.
Trezor emphasizes the advantages of dedicated devices
ZachXBT previously posted on Telegram that hardware wallets are "complete garbage" for critical tasks such as storing funds and signing transactions. He believes that users would be better off using a separate iPhone specifically used to manage cryptocurrency assets.
However, Sanders disagreed with this. He pointed out that smartphones themselves introduce additional security risks because they include Wi-Fi, Bluetooth, cellular network connectivity, iMessage and other services, which will expand the potential attack surface. In addition, generating the private key directly on a smartphone exposes a greater risk than generating it internally on a dedicated hardware device.
Sanders explained that hardware wallets are equipped with a separate display that allows users to verify transaction details before authorizing transfers, which greatly reduces the possibility of malware tampering with transaction information without the user's knowledge. Therefore, he reiterated that hardware wallets are the strongest self-custody solution currently available to most cryptocurrency holders.
He also emphasized that professional investors holding large amounts of assets often combine multiple security tools rather than relying on a single device. As a result, he acknowledged that power users may need more complex security settings, while insisting that hardware wallets are still suitable for ordinary investors.
Roman Storm calls for improved mobile wallet security
At the same time, Tornado Cash co-founder Roman Storm agrees with some of ZachXBT's views. He believes that the bigger problem is the limited number of mobile wallets that support BIP39 mnemonic phrases.
Storm explained that BIP39 mnemonic phrases can provide an additional layer of protection when others obtain a user's written restored phrase. In addition, he urged mobile wallet developers to introduce an "air gap" transaction signature feature that allows users to approve transactions without having to connect their devices to the network.
Conclusion
The different views of Trezor, ZachXBT and Roman Storm highlight different ideas in the field of cryptocurrency security. Trezor insists that hardware wallets are still the best self-hosting option for most users, and the discussion also reflects the growing demand for stronger security features, whether it is hardware wallets or mobile wallet ecosystems.
