If you ask the average person what words come to mind when they think of bitcoin, three of the most common responses will likely be "anonymous", "untraceable" and "a currency for criminals." But all of these common ideas about bitcoin are actually misconceptions.
In fact, every single one of them is wrong.
This may just be a problem of perception, but it can have very real consequences, as it can impact the attitudes of investors, lawmakers, regulators, enforcement agencies and the public toward this technology.
We need to deal with these perception issues head-on....
http://www.coindesk.com/bitcoin-cops-criminals/