Companies like NetCheque and Cybercash that advocate using a checking account-like system of ecash provide software that takes advantage of interfaces like the one shown below from NetCheque. This form follows the normal conventions for checks: many of the same elements are here and they are located in roughly the same places. On the other hand, there are no dates and no check numbers: presumably the computer takes care of those, but it also implies that time and distance are not critical factors in ecash transactions. Also different about these checks is the addition of a button to the far right that allows you to change the type of currency one is writing the check on (it allows for multiple, perhaps nonstandard types of ecash) and requires a double-signature consisting of your name and your password. This form, then, foregrounds security and flexibility as two important features of ecash.
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Business as UsualVirtual Banks Experiments Terms for Ecash