Gold was considered as a reserve of the third category for all banks, from central to commercial ones, where the reserves were, first of all, in dollars and bonds of the US. The norms of Basel III demand an increase, first of all, in monetary reserves. This impeded the volumes of monetary resources of banks that could be used to carry out expansion, but it was a compulsory measure for saving the stability of a world banking system that showed to be insufficient in a crisis.