I see no reason why bitcoin wallets can not be made to work as simple or simpler than a credit card. The fact that, currently, they are not easy, is not an indication usage can not ever be easy.<p>Credit-card sized, NFC-powered, tiny embedded devices could be a very practical, very secure, very easy to use hardware wallets.<p>The only limitation I see is that I could not see them work securely without a screen and I can&#x27;t imagine a screen as thin as a credit card... :(