Transaction Malleability: No Shortcuts Allowed

The past couple days have been a roller coaster of events for the bitcoin world. First, MtGox suspended bitcoin withdrawals for a bitcoin “design issue that has been largely ignored”. Attackers took note of this and begin running malicious nodes to increase the frequency of the attack. To handle the network attacks, other big exchanges like Bitstamp temporarily suspended bitcoin withdrawals as well, while some businesses remain unaffected and continue operations as normal.

So, what have we learned?

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