How Questions About Terrorism Challenge Bitcoin Startups

In light of the recent attacks in Paris that led to the deaths of 129 Parisians, the European Union (EU) and other international powers, including the United States and Russia, have been gathering to discuss how to curb the threats of terrorism, specifically ISIS or ISIL. Being mentioned in those discussions is the controversial topic of virtual currency with an emphasis on Bitcoin and its role in terrorism financing. But why are government officials so afraid of Bitcoin as a possible avenue for terrorist “donations”?