$255 000+ USD

MAY 2018




“Bitcoin Gold was hijacked with rented computing power. After hackers took control of more than 51 percent of the overall hash power, more than 388,000 BTG (approx. $18 million at the time) was stolen from cryptocurrency exchanges like Bittrex. Hackers were able to use “double-spending,” a method of repeatedly tricking an exchange into transferring more coins than it should.”

It isn’t known the exact amount taken from Bittrex through the 51% double spend attack, however they demanded $255k from Bitcoin Gold developers or the coin would be removed. Bitcoin Gold is now notorious for the ease with which double-spend attacks can occur. The solution is a simple and reasonable delay on larger withdrawals, which would normally be in cold storage.

Sources And Further Reading

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