Leading cryptocurrencies moved sideways as investors took caution ahead of Federal Reserve Chair Jerome Powell’s speech at the Jackson Hole Symposium. What Happened: Bitcoin lifted to $61,390 early morning only to retrace and consolidate in the $60,000 zone. Ethereum also chopped in the $2,600-$2,650 zone during the day. In the past 24 hours, 28,981 traders were liquidated, with the total cryptocurrency liquidations at $82.64 million. More than $50 million in bullish bets was wiped out. Bitcoin’s Open Interest rose 0.37% over the last 24 hours, while the number of traders taking bullish long p…