Your security. Our mission.
What drives us everyday is taking away constraints from creators to help them unleash innovative ideas and support engineers in what they’re best in – building.
Our goal is to provide a secure fundament for as many blockchain projects as possible so they can build up a better world for all of us.
We make security our priority so you don’t have to.
Your security. Our mission.
What drives us everyday is taking away constraints from creators to help them unleash innovative ideas and support engineers in what they’re best in – building.
Our goal is to provide a secure fundament for as many blockchain projects as possible so they can build up a better world for all of us.
We make security our priority so you don’t have to.
Meet the Founders of QRUCIAL
Meet the Founders of QRUCIAL

David Pethes / Co-Founder
David is a blockchain researcher and security expert and founded the largest crypto hacking competition in the world – CCTF – two years ago. He has more than 9 years experience in IT penetration testing and got several global certifications. Since 2021 he is Regional Head Ambassador for Eastern Europe of Polkadot.
Since 2013 he is into blockchain and keeps improving his skills through related projects since then.
Sebastian Kraus / Co-Founder
Sebastian is the founder of Olymp Consulting – a communication agency for the real estate industry that follows the mission to initiate a change to move urban development to a more sustainable and smarter future.
Since 2019 he’s focusing on blockchain and cyber security research.

David Pethes / Co-Founder
David is a blockchain researcher and security expert and founded the largest crypto hacking competition in the world – CCTF – two years ago. He has more than 9 years experience in IT penetration testing and got several global certifications. Since 2021 he is Regional Head Ambassador for Eastern Europe of Polkadot.
Since 2013 he is into blockchain and keeps improving his skills through related projects since then.
Sebastian Kraus / Co-Founder
Sebastian is the founder of Olymp Consulting – a communication agency for the real estate industry that follows the mission to initiate a change to move urban development to a more sustainable and smarter future.
Since 2019 he’s focusing on blockchain and cyber security research.