The bottom line is that currency investment is "ordinary income" and you will be subject to more than 50% federal tax alone (including 15.3% SE tax) SEE IRS tax code 988. If you call the business hotline 1-800-597-9252 they will show you how to legally structure your Iraqi dinar investment properly to reduce your tax burden. I work there and I talked to the Lawyers and the CPA's and they recommend this strategy and it is completely legal.