Kostas Chalkias is the Co-Founder and Chief Cryptographer at Mysten Labs, spearheading cryptographic innovation and building scalable, secure, and privacy-enhancing technologies for the Sui blockchain. Prior to Mysten Labs, he spent nearly three years at Meta as Lead Cryptographer, where he contributed to the development of the Diem (Libra) blockchain, Novi wallet, and WhatsApp payments.
