And also see these credit-card-sized hardware OTP solutions: http://www.schneier.com/blog/archives/2008/12/credit_card_wit.html http://www.schneier.com/blog/ar

And also see these credit-card-sized hardware OTP solutions: http://www.schneier.com/blog/archives/2008/12/credit_card_wit.html http://www.schneier.com/blog/archives/2008/12/credit_card_wi... http://www.dailymail.co.uk/sciencetech/article-1085642/The-new-credit-card-keypad-promises-fight-online-fraud.html?ITO=1490 http://www.dailymail.co.uk/sciencetech/article-1085642/The-n... http://www.emue.com/site/home.htm http://www.emue.com/site/home.htm