When Bitcoin first appeared, one of its strengths was the use of blockchain to protect the encoded coin safely in the digital world. However, blockchain security, the digital wallet is easily exploited by hackers, and eventually, users still face fraud, a lot of fraud.
Top 5 worst Bitcoin scams in the history:
1. Catastrophic collapse of Mt. Gox
2. Phantom Optioment
3. Silk Road Email Trap
4. Canadian Bitcoins and Simplest scams
5. Bitcoin Gold scam