Compared with traditional currencies, Bitcoin transactions are more secure, transparent and anti-counterfeiting. Bitcoin uses an encryption algorithm that hackers cannot crack. And Bitcoin is easy to track, and all Bitcoin transactions are publicly archived on the network, which can effectively prevent illegal activities. Finally, Bitcoin's automatic authentication mechanism also makes it impossible to be forged.
The problem with bitcoins anonymity is that there are people that uses smurfs to transfer money that came from illegal activities, this small amounts deposited will go unnoticed if there isn't a watchful eye keeping tabs, the money laundering industry is the most damaging industry in bitcoin because it damages the reputation of bitcoin as an privacy protected currency.