how about we add a few bits and let people do wallet locks? i think most of us at this time are hoarders who know bitcoisn will be worth 100,000$ per bitcoin one day
a wallet lock is something that only honest users would be interested in imho.. u can use a password to lock/unlock but not to send coins
the fact is.. yeah windows has exploits that pretty much allow hackers at anytime to own your system, they are in the wild before they're even patched and no windows box is ever totally secure at any given time.. a 0-day hacker can always rape yer bitcoinZ
But then the virus would have to just wait longer until you type your password. I favor a "secure keypad" that you input your password via mouse clicks. Next question is how to trick viruses that may take screenshots?