a customer attends a local business such as a trading
business and deposits funds, asking that they be sent to another
country. The customer receives a code which they communicate to
their beneficiary, which enables them to collect the funds
The trader then asks his counterparty in another country to
make the funds available upon production of the code.
The debt between the two traders is either settled as part
of the usual trade process, or is balanced by incoming remittances