This is the answer to the war in Ukraine: since the beginning of the Russian invasion, the West has increased economic sanctions. The latest in size, the exclusion yesterday Wednesday of seven Russian banks from Swift, a key cog in international finance. The stated objective: “wage a total economic and financial war once morest Russia” in the words of the French Minister of Economy Bruno Le Maire who later tempered his remarks. Is this the best option to bend President Vladimir Putin? What are the risks of such a policy in a context of strong economic dependence on Westerners? What are the consequences for the global balance?