Kostas
Chalkias

Kostas Chalkias is the Chief Cryptographer and Co-Founder of Mysten Labs, driving cryptographic innovation and product development. With a distinguished career at Meta and R3 as Lead Cryptographer, he has shaped security frameworks for major tech ecosystems. A three-time Best Paper award recipient, he has filed eight US patents and consistently ranked among the top in academia and national innovation contests.

Founder of Greece’s largest Big Data Meetup, he continues to foster a thriving tech community. His expertise spans advanced cryptographic research, security protocols, and scalable blockchain infrastructure.