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毫无含金量的骗局却屡屡得手？接连四起Rug Pull事件分析
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近期Rug Pull事件频发，针对今日及昨日发生的四起Rug Pull事件，CertiK安全团队将分别从项目的操作及合约等方面为大家解读并分析。 鉴于篇幅所限，我们将主要分析NumberSwap Rug Pull事件，其风险源于典型的代币分配问题，十分清晰地呈现了Rug Pull的实施过程。 NumberSwap
2022年7月19日，CertiK天网（Skynet）系统监测到一笔导致NumberSwap代币价格暴跌的交易。该事件是一个典型的代币分配问题。 目前，部署者拥有超过该项目98%的代币。此外，他们出售不到1%的供应量，以吸引投机者来购买。 Rug Pull操作步骤： ① 部署者为自己铸造了约2.1亿的代币：https://bscscan.com/tx/0x347f524b4a380e1f78f7cf0480e962fb0eda50eff1a178605f98d6062acb9624 ② 部署者目前持有约2亿的代币：https://bscscan.com/token/0xc7e9d15a2dc34d3a9f532b325396b8bf02f44fb8?a=0x916c81571fe022a58688d80d246546587b1ebe24 ③ 未持有的80万个代币被部署者发送到了8个不同的地址，这些地址持续与未经验证的router地址交互并出售代币。 RacKiller 北京时间2022年7月20日，CertiK天网（Skynet）系统监测到一笔导致RacKiller代币价格下跌超过70%的交易。 经CertiK安全专家分析，这是一笔Rug Pull交易，可以确定该项目操纵了RacKiller价格以赚取利润。该项目在早期阶段为RacKiller-BSC-USD池增加了流动性。截至撰稿时，约50,000,001个RacKiller代币在三个账户中被出售。 此事件同样是一个代币分配问题。项目部署者铸造了ERC20，拥有超过98%的代币供应，此外还在吸引投机买家来购买。 Rug Pull交易：https://bscscan.com/tx/0xfebc498121eb6579b793a6996992fbc930c905f342d60a155d8a2b48741fd30a Orchid 北京时间2022年7月19日，CertiK天网（Skynet）系统监测到ORCHID代币价格下跌超过99%。 经CertiK安全专家分析，确认Orchid项目为Rug Pull项目。恶意者钱包出售了价值50,208美元的代币，并将资金发送至0xc5264e7e4ce93f5914b1cdbfd1ac7f55cb5e8204。 Loop X 北京时间2022年7月14日凌晨1:13:04，CertiK天网（Skynet）系统监测到一个与合约部署者相连的账户将大量BNB转移至多个账户，营造出大量持有者和资金的假象。部署者资助机器人账户交易代币随后将资产转移至部署者的钱包。 北京时间2022年7月19日，部署者钱包又开始将BNB和LOOP代币由脚本抽调到大约600个账户中，随后大量抛售导致代币价格暴跌。 总结 这四起事件性质相同——项目均高度中心化，均可通过安全审计发现相关风险。 这些风险将被分别归类于中心化风险或初始代币分配。审计报告中也会标注出项目的代币将在功能实现后被转移至何处。而前两个事件的风险更可以通过对ERC20的自动审计来发现。 蕴含欺诈意图的项目团队对于安全审计往往避之唯恐不及，本可通过审计检查出的问题被恶意者刻意忽视。 这表明了用户在投资前做好项目调查的重要性，同时也凸显了围绕Web3.0项目建立透明度和问责制的必要性。 这也是为什么CertiK主张对项目团队进行KYC团队背景调查，并在今年年初推出了KYC服务，该服务可以可靠地验证项目团队成员的身份及项目背景。 Web3.0世界受Rug Pull之苦久矣，监守自盗卷款跑路事件层出不穷。2021年仅第二季度因欺诈导致的资金损失就高达26亿美元，掌握识别Rug Pull恶意欺诈的特征从而远离Rug Pull是每一位用户开启自我保障的第一步。 来源：金色财经 |
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