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RE: Has Bitcoin Been Compromised? If So, How Can You Protect Yourself?
A 51% attack is based upon blockchain nodes. I have a node on my PC, it is about 500MB, or less than a DVD. Lets say there are over 10,000 nodes in the world. You would have to control 5,001 nodes in order to takeover the blockchain, the other 4,999 would just simply comply. It is a data record takeover, not a market price manipulation.