If a platform offers trading of digital assets that are securities and operates as an 'exchange,' as defined by the federal securities laws, then the platform must register with the SEC as a national securities exchange or be exempt from registration."
Most cryptocurrencies (i.e. non-ICO coins) are not securities.
There are longstanding rumors that bitcoin prices are being manipulated by "bitcoin whales," or individuals who hold huge amounts of BTC. ... Today, one bitcoin whale revealed that he has sold about $400 million in bitcoin and Bitcoin Cash since September 2017. Nobuaki Kobayashi, a Tokyo-based attorney and bankruptcy trustee for the now-defunct Mt. Gox crypto exchange, said he's raising money to pay off Mt. Gox creditors.
Manipulation means controlling the price in order to buy or sell at particular prices. Simply buying or selling large amounts is not "manipulation", even when it causes the price to move.
About 1,000 people hold 40% of all the bitcoin in the world, according to Bloomberg, so it's no surprise they exert a disproportionate impact on BTC price movements.
This statement shows how little the author knows about Bitcoin and it is good evidence that everything else she writes is probably wrong.