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Jason Rosenstein

CEO, Portion

Jason is a blockchain developer who identified the transformative and multifaceted capabilities of blockchain technology in 2011. He began building powerful machines to generate cryptocurrency and produced prototypes demonstrating the capabilities made possible by blockchain. 

Jason has extensive experience in blockchain development and complex distributed application design. In his previous startups, he served as founder and developer. Jason’s area of expertise includes system architecture, project management, and financial systems.