The current "crash" is caused by one bad "news" after another. A lot of them are the false or twisted truth.
For example, today, once again "China Full ban crypto". What the... Why is it causing another crash?? Why is it even "news"?
It was already banned in China back in September 2017. All trading platforms suspended trading in September. Anyone from China who still trade Crypto must be using foreign platforms. Sure, they reported that China added all crypto exchange sites to Great FireWall. So what? These people have VPNs! When I was in China, everyone who visits foreign sites use VPNs. Yes, China banned VPN as well a long time ago. So what? Everyone is still using it. Just like ignoring the traffic light is illegal in China, but at every intersection, you will see people ignore the red lights... the truth! Just because it is "illegal", does not mean no one will do it.
So just this (one) news of China banned Crypto, it was repeatedly used to crash the Crypto market (4 or 5 times). Do not fall for it!
1. Summer 2017, China banned ICO.
2. September 2017, China banned crypto trading.
3. November or December? China became unfriendly to crypto mining (Large-scale miners moved oversea already)
4. January 2018. China banned websites of foreign crypto exchanges. (VPN!!!)
5. Today, "China Full Ban Crypto"... (Really?)