An Ethereum investor, identified by the wallet address 0x219…C3c4F, sold 3,000 ETH worth $11.74 million in the past hour, marking a significant profit milestone. The investor, who accumulated 3,750 ETH at an average price of $3,500 during the 2021 bull market, realized a profit of $1.24 million from this sale. The investor's holdings had previously depreciated by 70%, highlighting the challenges faced by long-term holders in volatile markets.