BlockSec Phalcon: Web3 launcher platform WebKeyDao was hacked and lost about $73,000

According to BlockSec Phalcon, Web3 launcher platform WebKeyDao was hacked, causing a loss of about $73,000. The attackers exploited an unprotected function to buy wkeyDao tokens at a low price and sell them on decentralized exchanges for a profit. Specifically, the attacker took advantage of the purchase function in the fragile contract to purchase 230 wkeyDao tokens for 1,159 BUSD and subsequently sold these tokens at a decentralized exchange for 13,167 BUSD, earning about 10 times the profit.