Sept 28: Bitcoin loses $20,000, IMF tells off U.K., Celsius CEO resigns, Do Kwon hits back, OpenSea pays hackers $200,000

On today's CoinMarketRecap with Connor Sephton, Bitcoin loses $20,000 yet again — as the International Monetary Fund tells off the U.K. Alex Mashinsky resigns as Celsius Network's CEO… as Sam Bankman Fried considers buying the company's assets. Do Kwon denies attempting to cash out $67 million in Bitcoin after a warrant was issued for his arrest. And OpenSea pays $200,000 to ethical hackers who uncovered critical security flaws. You can follow us on Twitter — @ConnorSephton and @CoinMarketCap.