Mysten Labs CTO Sam Blackshear joins Anthropic

Mysten Labs cofounder and chief technology officer Sam Blackshear said on Aug. 6 that he is leaving the Sui developer to join Anthropic for defensive security research. Summary Sam Blackshear is leaving Mysten Labs to join Anthropic for defensive security research involving AI. Evan Cheng will assume Mysten’s technical vision while continuing as the blockchain company’s chief executive. Blackshear plans to remain an adviser to Mysten Labs and developers across the Sui ecosystem. Move’s creator said a foundation is being developed and he intends to remain involved afterward. Anthropic is expanding defensive cyber research as frontier models improve software vulnerability discovery capabilities rapidly. Blackshear announced the move in posts on X, saying the role would let him return to hands on technical work while studying a new problem area. He did not disclose his starting date, reporting line or specific projects at Anthropic. When I reflect on my career, I have been happiest doing hands-on technical work while exploring new problem domains. 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 defender...