Read full story: http://cryptocoinjunky.com/bitcoin-gold-gets-hit-with-double-spend-attack-exchanges-loses-18-6-million/

A malicious Bitcoin Gold miner executed a “double spend attack” on Bitcoin Gold’s network last week. This makes BTG the third altcoin to suffer from a network attack over the last week.

The director of communications for Bitcoin Gold, Edward Iskra, warned its users about the attack on May 18. He explained that the miner was utilizing an exploit to steal funds from various cryptocurrency exchanges.

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The malicious minor acquired at least 51% of the networks hash power in order to execute the attack. This enabled the minor to temporarily control the blockchain…read more