if china will ban it they will ban the mining activity too, which mean that the diff will decrease dramatically, and miners will have an easy time making profit for a long time
you can't simply replenish 70'% of the network in a short time, the price i think it will not tank so much, because panic buyers will be all over the price when the value will tank
Panic buyers did not manage to keep the price up when the price started tanking to 200 after the last rally.
If there is real blood on the street, those buyers will rather be panic sellers. Smart money will still buy though.
that was bound to happen anyway, the price went directly to 1200 without any real consolidation, it's not comparable with today increase
not to mention that if we are again near that value it means that more people bought at the same price than before, which is equal to a more solid value than before
it's very unlikely that bitcoin will return to 200 now, this will be more true the more people buy at these current high levels