Bitcoin bounced back up to reach a six-week high of around $24,000 (€23,400) on Friday, signalling slight relief for digital currencies as they try to brush off “crypto winter’” amid the troublesome economic period. The world’s largest digital currency reached $24,412 (€23,880) on Friday, according to crypto platform CoinDesk. Investors started to show more confidence in Bitcoin after the US central bank raised interest rates on Wednesday by 0.75 percentage points, which is less aggressive than the Federal Reserve could have gone. It also indicated that the pace of the rise could slow. Additio…