How hawala works
In the most basic variant of the hawala system, money is transferred via a network of hawala brokers, or hawaladars. It is the transfer of money without actually moving it. In fact, a successful definition of the hawala system that is used is "money transfer without money movement".
Hawala example transaction

The figure shows how Hawala works: (1) a customer (A, left-hand side) approaches a hawala broker (X) in one city and gives a sum of money (red arrow) that is to be transferred to a recipient (B, right-hand side) in another, usually foreign, city. Along with the money, he usually specifies something like a password that will lead to the money being paid out (blue arrows). (2b) The hawala broker X calls another hawala broker M in the recipient's city, and informs M about the agreed password, or gives other disposition instructions of the funds. Then, the intended recipient (B), who also has been informed by A about the password (2a), now approaches M and tells him the agreed password (3a). If the password is correct, then M releases the transferred sum to B (3b), usually minus a small commission. X now basically owes M the money that M had paid out to B; thus M has to trust Xâ€â€Š'​s promise to settle the debt at a later date.
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