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<div class="container"><div class="page home" data-home="posts"><div class="home-profile"><h1 class="home-title">Security Researcher</h1><div class="home-subtitle">Interested in <b>{</b> application <b>|</b> blockchain <b>}</b> security</div><div class="links"><a href="https://github.com/dellalibera" title="GitHub" target="_blank" rel="noopener noreffer me"><i class="fab fa-github fa-fw" aria-hidden="true"></i></a><a href="https://linkedin.com/in/alessiodellalibera" title="LinkedIn" target="_blank" rel="noopener noreffer me"><i class="fab fa-linkedin fa-fw" aria-hidden="true"></i></a><a href="https://twitter.com/_d3lla_" title="Twitter" target="_blank" rel="noopener noreffer me"><i class="fab fa-twitter fa-fw" aria-hidden="true"></i></a></div></div>
<article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/damnvulnerabledefi_10_free-rider/">Damn Vulnerable DeFi - Challenge #10 - Free rider</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="October 17, 2022">October 17, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Damn Vulnerable DeFi - Challenge #10 - Free rider”.</div></div><div class="post-footer">
<a href="/posts/damnvulnerabledefi_10_free-rider/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/damn-vulnerable-defi/">Damn Vulnerable DeFi</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/solidity/">Solidity</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/damnvulnerabledefi_09_puppetv2/">Damn Vulnerable DeFi - Challenge #9 - Puppet v2</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="October 13, 2022">October 13, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Damn Vulnerable DeFi - Challenge #9 - Puppet v2”.</div></div><div class="post-footer">
<a href="/posts/damnvulnerabledefi_09_puppetv2/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/damn-vulnerable-defi/">Damn Vulnerable DeFi</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/solidity/">Solidity</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_07_metatoken/">Offensive Vyper - Challenge 7 - Meta Token</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="October 8, 2022">October 8, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 7 - Meta Token”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_07_metatoken/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_06_ownableproxy/">Offensive Vyper - Challenge 6 - Ownable Proxy</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="October 6, 2022">October 6, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 6 - Ownable Proxy”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_06_ownableproxy/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_05_flashreceiver/">Offensive Vyper - Challenge 5 - Flash Receiver</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="October 3, 2022">October 3, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 5 - Flash Receiver”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_05_flashreceiver/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_04_etherflashloan/">Offensive Vyper - Challenge 4 - Ether Flash Loan</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="October 1, 2022">October 1, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 4 - Ether Flash Loan”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_04_etherflashloan/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_03_ethervault/">Offensive Vyper - Challenge 3 - Ether Vault</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="September 29, 2022">September 29, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 3 - Ether Vault”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_03_ethervault/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_02_coinflipper/">Offensive Vyper - Challenge 2 - Coin Flipper</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="September 26, 2022">September 26, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 2 - Coin Flipper”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_02_coinflipper/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_01_unstoppableauction/">Offensive Vyper - Challenge 1 - Unstoppable Auction</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="September 24, 2022">September 24, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 1 - Unstoppable Auction”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_01_unstoppableauction/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
</article><article class="single summary" itemscope itemtype="http://schema.org/Article"><h1 class="single-title" itemprop="name headline">
<a href="/posts/offensivevyper_00_passwordvault/">Offensive Vyper - Challenge 0 - Password Vault</a>
</h1><div class="post-meta"><span class="post-author"><a href="https://dellalibera.github.io/about/" title="Author" target="_blank" rel="noopener noreffer author" class="author"><i class="fas fa-user-circle fa-fw" aria-hidden="true"></i>della</a></span> <span class="post-publish">published on <time datetime="September 22, 2022">September 22, 2022</time></span> <span class="post-category">included in <a href="/categories/writeup/"><i class="far fa-folder fa-fw" aria-hidden="true"></i>Writeup</a></span></div><div class="content"><div id="id-1">Solution for “Offensive Vyper - Challenge 0 - Password Vault”.</div></div><div class="post-footer">
<a href="/posts/offensivevyper_00_passwordvault/">Read More</a><div class="post-tags">
<i class="fas fa-tags fa-fw" aria-hidden="true"></i> <a href="/tags/offensive-vyper/">Offensive Vyper</a>, <a href="/tags/ctf/">CTF</a>, <a href="/tags/vyper/">Vyper</a>, <a href="/tags/blockchain/">Blockchain</a></div></div>
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