For the past 700 years, processing payment transactions has largely relied on correspondent banking arrangements. Yet, this critical banking business has been unduly neglected by researchers. Much of the meagre literature on it has failed to provide a consistent definition of correspondent banking that clearly identifies protagonists, possible structures and differences to other forms of representation. Often the invention of correspondent banking is linked to the banking practice of Renaissance Italy. However, correspondent relations are much older. Thus a more comprehensive history of correspondent banking is needed. In addition, there has been a dearth of analytical work on the precise – and multi-faceted – market micro-structure of corr...