Thu, 02/02/2023 - 11:34 Tech Insider Crypto Bitcoin has rallied to start 2023 after a dismal performance last year.Jasmin Merdan/Getty Images Tags Markets, MI Exclusive, Bitcoin, crypto, cryptocurrency, Tokens, Market Cap, Professor, finance, University of Texas, John Griffin, eth, btc, Market Manipulation, whale Source Is bitcoin being manipulated? A professor who proved it in 2017 sees more red f…