My bank won't let me take money out without either my debit card or photo ID, so that's kinda moot. A number of other things can be used as collateral, includi

My bank won't let me take money out without either my debit card or photo ID, so that's kinda moot. A number of other things can be used as collateral, including, where absolutely necessary, a passport or drivers license. There's no killer app, so to speak, for a national ID system that isn't solved today by voluntary means.