Johann Polecsak is a blockchain technologist who co-founded QANplatform, a quantum-resistant Layer 1 hybrid blockchain that lets developers write smart contracts and Web3 applications in any programming language. Johann Polecsak's Twitter Score is 0.7 out of 1000 as of July 2026, ranking #433,552 among 478,684 tracked accounts.
Johann Polecsak co-founded QANplatform and serves as its CTO, focusing publicly on the risks that quantum computing poses to conventional blockchain cryptography. The platform's XLINK technology relies on ML-DSA, the post-quantum signature algorithm standardized by NIST, and a Hacken audit of the XLINK library produced 31 findings, of which 29 were resolved and 2 accepted by design. In December 2023, QANplatform signed a $15M investment contract with MBK Holding. In July 2026, Polecsak published an open letter acknowledging a mainnet delay and confirming the mainnet would still launch in 2026. An earlier bridge-wallet hack in October 2022 led QANplatform to issue a replacement QANX token to eligible holders.
Johann Polecsak is a mentor at the Cointelegraph Accelerator, is affiliated with the Linux Foundation and the Post-Quantum Cryptography Alliance, and is a member of Blockchain for Europe. Johann Polecsak's account has published 51 posts and has been mentioned by 2 accounts a total of 31 times.
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