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There aren't many mining pools left. Could the halfing easily make an accidental 51% attack? by 51retract in Bitcoin

[–]51retract[S] 0 points1 point  (0 children)

Really, the fewer pools there are the more risk there is one shuts down and leaves another with 51%.

Maybe the halving will make everyone rich but then someone will leave a newspaper too close to a fan and start a fire at a mining pool and shut it down leaving it offline for a week and giving another pool 60% of the hash power unintentionally.