This is not Bitcoin anymore, it’s centralized GHashcoin….Is Bitcoin’s Doomsday Scenario Arrived ? Bitoin is still a work in progress.
On Friday, mining pool GHash’s share of the Bitcoin network ticked 51%
The two Cornell researchers, Ittay Eyal, and Emin Gün Sirer, now propose creating a “hard fork” on the Bitcoin network, a set-aside part of Bitcoin’s transaction ledger that would sacrifice some Bitcoin attributes in the name of preventing another similar attack. Others have proposed creating a peer-to-peer network of mining nodes which, instead of being able to access the entire blockchain, only target specified branches.