Cryptocurrency users are under constant threat from hackers and scammers looking to steal their digital wealth. Even though some incidents are difficult to avoid, it would appear the major security risks still remain in place after many years. The following examples are ranked in terms of reverse popularity among criminals.

#4 The 51% Attack

Even though it would appear most cryptocurrency networks are safe from a 51% attack these days, that is not necessarily the case for some of the altcoins. During the years 2017 and 2018, numerous 51% attacks were attempted or successfully executed against various cryptocurrencies. Bitcoin Gold suffered a major attack in this regard. Rumors also circulated Verge underwent the same issue, although that was never officially confirmed by the developers. This will always remain a lingering threat, as it is not necessarily expensive to pull off such attacks.  Read more...