Vulnerability found in CosmWasm smart contract platform in the Cosmos ecosystem could allow a user to upload new contracts and halt the blockchain. Ongoing research is being conducted to coordinate disclosure and identify patches... read more  

A recent campaign by Satacom downloader is delivering a cryptocurrency-stealing extension for Chromium-based browsers, such as Chrome, Brave and Opera... read more  

The Unit 0x team, a Coinbase team dedicated to investigating and preventing attacks in the broader crypto ecosystem, investigated a recent governance takeover which serves as a great case-study for handling metamorphic contracts by governance protocols. In this in-depth analysis the team will discus.. read more  

This article is a written breakdown of Kurt Barry’sseminardelivered at Spearbit. Spearbit is a decentralized and industry-leading blockchain security services firm pairing protocols with top security researchers with deep subject matter expertise to identify vulnerabilities in an ever-evolving lands.. read more  

This article discusses different types of attacks in DeFi, including price manipulation attacks and reward manipulation attacks. It emphasizes the importance of secure code writing and provides examples of market manipulation, flash loan attacks, and oracle exploits. The article also highlights real.. read more  

Manipulating Time-weighted average price (TWAP) oracles in decentralized finance (DeFi) can lead to economic exploits. This paper examines the likelihood of manipulating Uniswap's V3 TWAP oracles and proposes strategies to mitigate the risks. Real-life attacks on Moola Market and Mango Markets are d.. read more  

A free, advanced course written for Solidity Developers... read more  

This article analyzes gas optimization techniques in Yul, Ethereum's intermediate language. It covers opcode execution, stack, memory, storage, code, and various optimizations. It also provides code examples and explains how to optimize them... read more