Petr Sedláček
Cryptographer at Trezor
Prague, Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolPetr Sedláček is a cryptographer based in Prague with five years of experience at the intersection of mathematics, security research, and software quality assurance. Currently at Trezor, he develops and prototypes cryptographic solutions for hardware wallet security, pairing practical R&D with a deep theoretical grounding from a Bachelor's in General Mathematics. His background includes hands-on QA roles at Avast and Gen™, where he drove testing rigor, reported hundreds of issues, and mentored colleagues on test automation and code clarity. He has also taught discrete mathematics at Charles University, bringing the ability to explain complex concepts to students and peers. Known for enjoying both how to break systems and how to make them safer, Petr blends curiosity-driven research with pragmatic engineering to improve real-world security.
5 years of coding experience
4 years of employment as a software developer
Bachelor's degree, General Mathematics, Bachelor's degree, General Mathematics at Univerzita Karlova
English, Russian, Czech
Github Skills (35)
wallet10
python10
bitcoin-wallet10
firmware10
bitcoin10
dotnet10
trezor10
cryptocurrency10
wasabi10
privacy-preserving10
micropython10
cryptography10
monorepo10
nbitcoin10
rust10
Programming languages (8)
Github contributions (5)
M1nd3r/NMMA301
Oct 2020 - Feb 2021
Contributions:1 release, 31 commits, 1 push in 4 months
M1nd3r/WalletWasabi
Sep 2023 - Nov 2024
Open-source, non-custodial, privacy preserving Bitcoin wallet for Windows, Linux, and Mac.
Contributions:2 PRs, 13 pushes, 14 branches in 1 year 2 months
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