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This is a follow up question to "How can I keep my wallet secure?"

Is there a portable (at least Win32&64/Linux) to configure the official bitcoin client to use only offline wallets to be inserted in the usb slot for each transaction?

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2 Answers 2

Reset to default
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You can use symbolic links to your bitcoin data folder or wallet.dat to the usb device location. You will still have to run bitcoin -rescan when you start the bitcoin client, and you will have to remove the link if you want to run bitcoin without the usb devices.

Note, however that you do not need to have an offline wallet online at anytime ever unless you are spending the money out of it. If you are only sending money to it then it can remain offline.

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    Symbolic links should work for linux, but what about windows?
    – mbx
    Commented Aug 31, 2011 at 0:12
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    True symbolic links work on linux and OS X. Short cuts on windows are not the same thing. However, you can alias your bitcoin command to provide the "-datadir" flag to point to the USB path.
    – Joshua Kolden
    Commented Aug 31, 2011 at 0:17
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    Symbolic links work on NTFS as well, since Vista: en.wikipedia.org/wiki/NTFS_symbolic_link
    – Domchi
    Commented Aug 31, 2011 at 20:42
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Can you not just put your wallet.dat on the secure usb and when try to load the wallet if usb no unlocked the wallet would fail with error.

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