Category: Post Mortem
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The $26 Million PenPie Exploit How Blaz+ Protects You in Real-Time
Learn how the PenPie DeFi protocol lost $26 million in a reentrancy attack and discover how Fuzzland’s Blaz+ suite provides real-time, 24/7 on-chain security to prevent such exploits.
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The Risk of Contract Upgrades: How Fuzzland Saved $2.8 Million from Hackers
In the fast-evolving world of decentralized finance (DeFi), smart contracts are the foundational elements driving innovation and growth. These contracts enable the creation of decentralized applications (dApps) that have the potential to revolutionize traditional finance. However, with the power to upgrade these smart contracts comes significant responsibility—and risk. In 2023 alone, over $1.7 billion was…
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Understanding the Recent Oracle Manipulation Attack: A Deep Dive
In the world of DeFi, the integrity of oracles is crucial for maintaining fair and accurate prices across platforms. Oracles serve as external data providers that supply smart contracts with real-world information, such as price feeds. However, as this recent attack demonstrated, even a small bug in an oracle can result in a severe vulnerability.…
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How Fuzzland Used $100 to Save $6.5 Million
A precision loss attack takes advantage of the deterministic nature of Solidity (the programming language behind Ethereum). A limitation of solidity is the fact that it does not natively support floating point arithmetic. Floating point arithmetic is contrasted by fixed point arithmetic – which solidity uses. What is a Precision Loss Attack? What happened to…