TheBlock
Trezor executive Sanders pushed back against on-chain investigator ZachXBT's recent claim that hardware wallets are "complete garbage," conceding the criticism on one narrow point while rejecting the broad framing.
Why it matters
Sanders acknowledged that hardware wallet firmware updates can disrupt urgent, high-value transactions, a real friction for users moving size in volatile windows. But framing the entire self-custody category as broken over that single pain point glosses over what cold storage actually protects against: remote key extraction, malware-driven drains, and seed-phrase leaks from compromised host devices. The debate lands at a moment when self-custody adoption is growing alongside ETF and exchange-custody scrutiny.
Market impact
Separately, Tornado Cash co-founder Roman Storm urged mobile wallet developers to add BIP39 passphrase support and air-gapped signing flows, two features standard on hardware wallets but rarely surfaced cleanly on phone-based key managers. The combined read: friction around updates is a real complaint, but the alternatives (hot wallets, mobile-only flows) carry materially worse threat models, and the category's core value proposition remains intact.
Frequently asked questions
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What did ZachXBT say about hardware wallets?
On-chain investigator ZachXBT recently called hardware wallets "complete garbage," a critique that triggered a public response from Trezor executive Sanders.
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Where did Trezor exec Sanders agree with the criticism?
Sanders acknowledged that hardware wallet firmware updates can disrupt urgent, high-value transactions, conceding the friction for users moving size during volatile windows.
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What is the core argument in favor of hardware wallets?
Cold storage defends against remote key extraction, malware-driven drains, and seed-phrase leaks from compromised host devices, threat models that hot and mobile wallets still struggle with.
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What did Tornado Cash's Roman Storm recommend?
Storm urged mobile wallet developers to add BIP39 passphrase support and air-gapped signing flows, both standard on hardware wallets but rarely surfaced cleanly on phone-based key managers.
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Why does this debate matter for self-custody adoption?
It lands at a moment when self-custody adoption is growing alongside ETF and exchange-custody scrutiny, making the tradeoffs between update friction and threat-model protection more relevant for new entrants.
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