Derek Moran
Following on Scott explaining how the PERSON we have is used as COLLATERAL, here is a definition i came across from Black's Law 6th-edition, that is NOT in Black's 9th:
FIELD WAREHOUSE RECEIPT: a document ISSUED by a WAREHOUSEMAN, evidencing receipt of GOODS which have been STORED (the Registrar General of Ontario's office is way up in Thunder Bay, btw). Such may be used as COLLATERAL for LOANS.