Investing.com - Cryptocurrencies were mostly higher on Thursday, as investors continued to be bullish about bitcoin and other digital currencies.
Bitcoin was trading at $7,711.90 rising 0.58% the Bitfinex exchange, as of 8:44 AM ET (12:44 GMT), not far from a session high of $7,748.90.
Other digital coins were mixed on Wednesday, with Ethereum, the world’s second largest cryptocurrency by market cap, falling 0.43% to $608.70 on the Bitfinex exchange. Ripple, the third largest virtual currency, increased 0.93% to $0.68136 while Litecoin was at $121.61, down 0.89%.
JP Morgan Chase (NYSE:JPM) CEO Jamie Dimon said Thursday investors should be wary of popular digital coins.
"I don't want to be a bitcoin spokesman," Dimon said in interview on CNBC. "Just beware.”
In September Dimon called bitcoin a fraud, then regretted the comment in January. While some on Wall Street have embraced the alternative currencies, Dimon and Berkshire Hathaway (NYSE:BRKa) Chairman and CEO Warren Buffet have been among its harshest critics.
Buffet, who was in a joint interview with Dimon, said "I set a high standard. I don't know whether Jamie can top me or not." Buffet told shareholders in May that bitcoin is "probably rat poison squared."
In other news, U.S. investment giant Fidelity is looking to enter the cryptocurrency space and could set up its own exchange. The firm is hiring a number of peronall for crypto, digital asset and blockchain projects, including a DevOps System Engineer to help create a new crypto exchange, according to media reports.
If the firm does move into the digital exchange space, that could be good news for cryptos, as it would help legitimise the digital coins and give many Americans access to investing in the sector.