| 摘要 |
Managing a user account includes: accessing the user account having a stored value, wherein the stored value is tokenized into a plurality of tokens corresponding to a set of available token units, and at least one of the plurality of tokens has a corresponding identifier; and in response to an account output request that includes a requested amount to be output: determining an output unit combination comprising a set of one or more tokens that has a sum that meets or exceeds the requested amount; determining whether a set of one or more output constraints is met; and in response to the determination that the set of one or more output constraints is met: outputting the set of one or more tokens associated with the output unit combination; and updating status information associated with the user account. |
