this is pretty alarming
not really..
after all. for atleast a year, maybe even 3+ years america was dominating the mining..
The US government does not quite have as negative view on bitcoin as the Chinese government does. There is also a lot more corruption throughout the Chinese government, and overall less rule of law when it comes to private property. This means that it would be more conceivable for the chinese government to seize chinese miners and use them to attack the network