A prominent trader, known for shorting Ethereum during the October 11 flash crash, has significantly increased their long position in Ethereum. Over the past hour, the trader added 19,973 ETH to their 5x leveraged long position, bringing their total holdings to 212,726.21 ETH, valued at approximately $640 million. This move follows the closure of 14,000 ETH positions on January 27, indicating not only a replenishment but an increase in their stake. The trader's overall position now stands at $756 million, with an unrealized loss of $32.5 million.