Bitcoin and other forms of virtual currency are gaining popularity. But many businesses, consumers, employees and investors are still confused about how they work and how to report transactions on their federal tax returns. And it has just been announced that the IRS is targeting virtual currencies that are used in business transactions users in a new “educational letter” campaign. The nuts and bolts Unlike cash or credit cards, small businesses generally don’t accept bitcoin payments for routine transactions. However, a growing number of larger retailers — and online businesses — now accept payments. Businesses can also pay employees or independent contractors with virtual currency. The trend is expected to continue, so more small businesses may soon get on board. Bitcoin has an equivalent value in government issued...