According to @lookonchain, an early Ethereum ICO participant wallet 0x42D3 transferred 0.001 ETH after more than 10 years of inactivity. According to @lookonchain, the wallet owner invested $49 in the ICO and received 158 ETH, valued at approximately $694,000 at the time of reporting. According to @lookonchain, this implies a 14,177x return on the initial allocation, with the move flagged as a test transaction.