A change of 12% over 24 hours is well within the fluctuation caused by the probabilistic nature of mining.<p>Looking at the charts I can't see any clear drop: <a href="https://www.coinwarz.com/mining/bitcoin/hashrate-chart" rel="nofollow">https://www.coinwarz.com/mining/bitcoin/hashrate-chart</a><p>Extrapolating that bitcoin mining escaping from china is the cause of the protests seems a little too far-fetched.