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I’ve been working on uniswap front runners for around 4 months. And I’d love to share some interesting points here. First of all, shout out to Yannick
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<a class="post-title-link" href="/2020/09/13/SYFI-rebase-bug-200-to-29k/" itemprop="url">SYFI rebase bug: 200$ to 29k$</a></h1>
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This morning, Yannick(twitter:@YannickCrypto) sent a tx link showing that some guy made about 29k$ from a 200$ trade. And it’s probably a bug of SYFI
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<a class="post-title-link" href="/2020/08/12/starkware/" itemprop="url">starkware 零知识证明简介</a></h1>
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前段时间公司接了starkware的审计项目，对其零知识证明实现进行深入的检查。坦白说，这方面的理解非常困难，因为我自己本身密码学的基础比较薄弱，而且项目目前没有结合实际的区块链背景，代码实现还是在数学层面，所以其中困难可想而知。具体发现的问题这里不提，公司的公众号上应该会发，这里我介绍下zk-st
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<a class="post-title-link" href="/2020/07/24/gdi-lib-fuzzing/" itemprop="url">windows 二进制 -- gdi lib fuzzing</a></h1>
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去年这个时间左右，我尝试对windows的gdi库进行fuzz，虽然最终没有获得可以利用的bug，但是我觉得现在分享下代码，回忆下研究经历总是好的。
让我起步的是这篇文章（当然，主要还是蹦着赏金去的）
https://www.4hou.com/posts/jvl5利用逆向分析与模糊测试技术深入考察W
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<a class="post-title-link" href="/2020/06/13/ava-blockchain-介绍/" itemprop="url">ava blockchain 简介</a></h1>
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前几个月，公司接了ava这个项目，我也参与了其中的审计，这里对其共识进行个简单的介绍。
Ava的亮点就是其共识了，称为avalanche共识。顾名思义，雪崩协议，其共识过程是积少成多，从一个点开始蔓延开来，最后达成共识。观察源码，其实可以看到共识部分包含DAG和blockchain这两块。两者都是用
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