Crypto lost more than $240 million across 29 incidents in July 2026, up roughly 216% from June's $75.87M, even as the number of attacks fell from 40 to 29. For the second month running, the damage didn't come from clever contract exploits. The same failure class ran through Web2, from a $12.3M rail-industry ransom to a 1TB bank breach that started with one employee's email. Here's the month in security 👇
Quantstamp, a Y Combinator-backed blockchain security company, has completed its audit of smart contracts for Klaytn, the blockchain platform created by Kakao, the operator of South Korea’s dominant messaging platform KakaoTalk. Built by GroundX, a Kakao subsidiary, Klaytn is a business-centric blockchain platform designed for mass adoption.
Quantstamp is proud to announce that we are contributing to the Binance Charity Foundation’s Pink Care Token Project, which aims to increase opportunities for women in underdeveloped countries by providing them with feminine care products.
Our latest release features an enhanced user experience and is designed to allow individuals to run a node without needing to be whitelisted by Quantstamp.
Fundamentals of Smart Contract Security, the world’s first book dedicated to the subject of the security of blockchain applications, has been released. The book is written by smart contract security experts at Quantstamp.
Ed holds a Ph.D in Computer Science from the University of Waterloo. His research there was primarily in SAT/SMT solvers and formal verification technologies, with a focus on understanding what makes SAT formulas hard or easy for solvers. Before joining Quantstamp, he worked at Microsoft Research.
Kacper holds a Ph.D. in Computer Science from the University of Waterloo for his work on modeling and analysis of software product lines. Before coming to Quantstamp, he worked at MathWorks (maker of MATLAB), Opera, and Samsung.
Blockchain technology is promising to revolutionize entire industries, but hacks and exploits of popular blockchain applications threaten to undermine it before it even takes off. Isn’t blockchain supposed to be secure? It’s not that simple.
Quantstamp recently audited Edgeware's lockdrop contract. Edgware is the first smart contract platform which plans to integrate with Polkadot, a blockchain interoperability platform. Built as a parachain of Polkadot, Edgeware is a WebAssembly (Wasm) runtime, high-performance, self-upgrading smart contract platform with on-chain governance. As an infrastructure project, Edgeware aims to address many of the shortcomings facing blockchain technology, including governance hurdles, developer accessibility, and token distribution challenges.
Jan is a Ph.D candidate at the University of Waterloo. His research interests include complexity theory, software verification and formal methods, discrete mathematics, and blockchain technologies. At Quantstamp, his role is to keep up with emerging technologies, assist in protocol design, and develop ideas with the engineering team.
