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People who use Bitcoins Fifa 14 Ultimate Team Coins need to be sure that the person they'retrading with -- or the trading exchange that they trust to holdtheir money -- is trustworthy, because nobody can step in and helpwhen Bitcoins are stolen (unlike in real life, where central banksand governments offer a form of insurance). While the networknecessarily makes every Bitcoin transaction public to ensure coinscan't be duplicated, it's incredibly hard to track down the realperson behind each transaction.

That's why Bitcoins have a reputation for being the online drugtrafficker's currency of choice. As reported previously on , up to 20 percent ofall daily Bitcoin transactions take place on notorious drugmarketplace the Silk Road. That's worth roughly ￡1.2m permonth. A spinoff site, The Armory, deals with weapontransactions, and there are reports of Bitcoins even being used in parts of the deep web tohire the services of people claiming to be assassins.

Yet even users of Bitcoins for everyday legal purposes have comeout burned by the currency's more nefarious exploiters -- seeBitcoin Savings & Trust, which many (like the Verge)thought was probably some kind of multimillion dollar pyramidscheme, turned out to be a massive multimillion dollar pyramid scheme.Also, in June 2011 the Mt. Gox exchange was the victim of a hack which drove the Bitcoin-US$ exchange ratedown to a meagre one cent per coin, letting the hackers take out2,000 coins for a bargain price.

There are undoubtedly advantages to being able to coverfinancial tracks online, which is why organisations like Wikileaksand the Free Software Foundation take donations in the currency.The problem is that right now the Bitcoin community is having towork very hard to convince people that the currency's rewards areworth its inherent risks.