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188Apr 21 · 12 min read · $6.7 billion. That's what Lazarus Group has extracted from the global cryptocurrency ecosystem since 2016. Not across thousands of victims — across a handful of high-value operations, each executed wi
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Apr 13 · 6 min read · Introduction Among all access control vulnerabilities in smart contract history, the Parity Multisig exploit of 2017 remains one of the most impactful and instructive. Unlike typical exploits where at
Join discussionApr 6 · 16 min read · "The scariest thing about writing smart contracts isn't that the code is complex. It's that the code looks fine — right until the moment it isn't." Let me set the scene. It's late. You've been writi
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Mar 31 · 4 min read · We will group the 50 opcodes into logical categories: Stack Operations Arithmetic Operations Comparison & Bitwise Memory & Storage Control Flow Environment & Blockchain Data Logging This prev
Join discussionMar 30 · 5 min read · Every Solidity auditor's CI pipeline runs Slither. It's been the default since 2019 — Trail of Bits built it, the community adopted it, and 92+ detectors later, it's the static analysis tool most developers never think to question. Then Cyfrin shippe...
Join discussionMar 29 · 6 min read · Bybit Hack Fund Flow Analysis: How $1.5B Moves Through the Blockchain On February 21, 2025, $1.5 billion disappeared from Bybit in minutes. More than a year later, only 3% has been frozen. The rest is
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