Capital flight is easily challenged if you have the cojones. Paper assets require a supportive legal framework to transfer them usefully. Imagine creating a b

Capital flight is easily challenged if you have the cojones. Paper assets require a supportive legal framework to transfer them usefully. Imagine creating a blacklist of tax evaders with the sort of teeth we see with, say, the sanctions on Iran/Venezuela/the DPRK. Shut down their economic life until they'll yield a useful cut. Physical assets can't easily be schlepped across national borders without anyone noticing.