Between 00:01-01:31 in the morning, PeckShield security shield wind control platform DAppShield monitored hackers to launch a continuous attack on the EOS quiz game SKR EOS, profiting nearly 6,000 EOS. PeckShield security personnel preliminary research found that hackers use the game server to resolve parameter problems, so that bets on unwinned EOS can be returned, thus achieving 100% bet winning. PeckShield security personnel hereby reminded that developers should conduct security tests before the contract goes online, especially to eliminate the threat of known attacks. If necessary, they can seek assistance from third-party security companies to help them complete the pre-contract attack test and foundation. Security defense deployment.