According to @EmberCN, a wallet that participated in the Ethereum ICO in 2015 and acquired 2,000 ETH at an ICO price of $0.311 per ETH has been dormant until recently. Four hours ago, the wallet made a test deposit of 5 ETH to Kraken. The initial $622 investment in 2015 is now worth $5.3 million, appreciating 8530 times.