Wu learned that according to Lookonchain monitoring, a trader earned over 4 million US dollars in 22 days with a return rate of 500 times at $8191. After being inactive for over 4 months, the trader withdrew 68.8 SOLs from Binance 22 days ago and purchased 14.62 million LAUNCHCOIN with 54 SOLs (approximately $8191), with a market value of less than $500000 at the time.