Add to ORKGAs the events of the 2007 Crisis unfolded, it was clear that the failure or even rumors about the failure of one single institution could trigger freezes in numerous capital markets and widespread default in other financial institutions. How this was brought about, however, was everything but clear. Ten years later, as we stand today, the literature has progressed but many questions remain unresolved. The first question at hand is of course how banks were related and how these bilateral relationships were able to act as a passage of contagion. On the liability side, borrowing between banks provides liquidity insurance against their idiosyncratic shocks. In bad times however, insurance networks malfunctioned, and more centrally connected ba...