It is too early to tell exactly how this will impact those convicted in the wake of the Second Wizarding War.  For the Malfoy family, with an estimated 400 million galleon net worth, it will all be up to how creative Lucius Malfoy was with his family’s financial diversification.  We will have to wait and see if a seizure of Malfoy wealth is enough to upset the economic foundations of the wizarding world.