The user can apply for multiplebank accounts, choosing from either a checking or savings account type.
用户可以申请多个银行帐户，可以选择是支票帐户类型或者是储蓄帐户类型。
2
Similar to multiplebank tellers servicing a single line of waiting customers, efficiency improves when developers instead sign up for the next task when they've completed the last task.
In this paper, we introduce a notion called restrictive blind group signature, then we construct a fair off-line e-cash system in the multiplebank model with both user and bank anonymity control.