Coinatory

An unknown hacker performed 51% attack of Bitcoin Gold"s cryptocurrency network and managed to assign over 18 million dollars to BTG (Bitcoin Gold), through double spending. According to the post at the Bitcoin Gold forum, hacker attacks began last Friday, May 18th. The hacker used a large number of servers to gain control over half of the hashrate, carrying out a so-called 51% attack. 51% of the network"s power allowed the hacker to change the details of the blockchain transactions and make a second attack of "double spend", which ... Read more about " Hacker Made Over $18 Million in Double-Spend Attack on Bitcoin Gold Network " on coinatory.com

There are always changes taking place in the world of cryptocurrency. Not all of those trends are particularly positive, though. It seems the Electroneum network suffered a major DDoS attack on Sunday, which may have allowed some people to double spend transactions. WHAT IS GOING ON WITH ELECTRONIUM? In the world of Bitcoin and altcoins, there are always entities looking to take advantage of any given situation. In a lot of cases, these criminals will look for smaller-cap cryptocurrencies and try to quickly influence the networks. ... Read more about " Someone Is Mining Empty Blocks on the Electroneum Network " on coinatory.com