Cash App and Square drove better-than-expected results, while the company said it expanded its use of AI across software engineering. Fintech company Block (XYZ) lifted its full-year outlook after reporting a strong second quarter driven by growth in Cash App and Square, with gross profit up 25% year over year to $3.17 billion, ahead of Block’s prior guidance. Second-quarter adjusted operating income also exceeded guidance, reaching $855 million, according to a results filing on Wednesday. Adjusted diluted earnings per share were $1.02, beating the Wall Street consensus estimate of 87 cents per share. The results led Block to lift its full-year gross profit guidance to $12.51 billion from $12.33 billion, and adjusted operating income to $3.47 billion from $3.34 billion. Read more
Mysten Labs’ co-founder Sam Blackshear said he is joining Anthropic as AI shifts the balance between attackers and defenders. Sam Blackshear, the co-founder and chief technology officer of Mysten Labs, has announced he will be stepping down to join Anthropic to work on defensive security research. Blackshear, along with four former Meta executives, founded Mysten Labs — the creator of the Sui blockchain — in September 2021. Blackshear said Mysten Labs co-founder and CEO Evan Cheng will step in to set the “technical vision” for Mysten going forward. “When I reflect on my career, I have been happiest doing hands-on technical work while exploring new problem domains,” said Blackshear. “This is an opportunity to do both, and I’m motivated to work on security at a time when the balance of power between attackers and defenders is shifting.” Read more
“There’s a lot of chaos right now in the ecosystem. We absolutely understand that many people are being bombarded with security issues right now,” said Bitcoin developer Calle. A Bitcoin security group made up of just 16 volunteers said they have found nearly 5,000 potential issues during a rapid AI-assisted review of projects in the Bitcoin ecosystem. Bitcoin Red Team is a volunteer security effort that includes Rob Hamilton, CEO of AnchorWatch and Bitcoin developer Calle, among others, which has been using AI tools and human review to scan open-source Bitcoin-related repositories for vulnerabilities. “We’re averaging on the order of 1 critical exploit per hour per person,” said Calle in a post to X on Wednesday. Read more