拒绝服务攻击
2022年4月，一家名为Akutar的热门NFT项目成功地进行了一次 荷兰式拍卖筹集了11,539.5个ETH。 However, when processing refunds for previous community pass holders, a flaw in their smart contract prevented operations, locking all funds within the contract due to a DoS vulnerability.