4 Lines of Defence Against a 51% Attack

4 Lines of Defence Against a 51% Attack

The bitcoin community has been critical for the past two days of the increasing hash rate of the biggest bitcoin mining pool Ghash which states that it is currently able to process 37.92 Ph/s leading to an estimation of 42% – 47% of the total network hashrate. Ghash has not yet responded to requests for comments. However, in a press release issued in January 2014 to alleviate fears of 51% control of the total hashrate, Ghash, whose hashrate is stated to consist of approximately 45% BitFury ASIC based miners and 55% independent miners, publicly stated in clear terms that: “GHash.IO does not....


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