The Binance founder said older hardware wallets can still face security issues, underscoring operational risks for users who hold crypto assets themselves.
CZ said hardware wallet vulnerabilities remain a concern for some users, particularly on older devices, and urged caution around self custody (holding crypto without an intermediary). The remarks point to a recurring security issue in crypto: hardware wallets are designed to keep private keys offline, but aging devices or unpatched flaws can still expose users to risk if protections fail or are not updated.