I think Russia would have the most. Hackers their have demanded millions for unlocking companies computers. It would be tough to know what country has the most because most people are trying to hide the money not tell the world how much they have.
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As you know, the prices of any assets cannot constantly move in one direction - the trend is periodically replaced by a correction, or even turns in the opposite direction. After impulses of growth or fall, sooner or later a corrective movement is formed. It is quite difficult to predict the depth of the price rollback in advance, but there are technical analysis tools. You will find it helpful to visit blog , which will tell you how to predict the likely extent of the correction.
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So far, it's Russia cause there are many crypto and Forex broker's there like if we look at FreshForex brokers, we will see more than 100K people are using this platform.