WMD is a title unit in the WebMoney Transfer system that is WMZ equivalent for credit transactions kept track of in purses of D type. A purse of the D type is used to keep record of received credits.

WMD purse creation terms:

WMD title units are actually promissory notes (obligations to transfer a respective amount of WMZ title units by a certain date) to the creditor of the system user who received a credit.

The number of units in a WMD purse corresponds to the total amount of WMZ that must be transferred to the owner of WMD purse.

See also: