Bence Soóki-Tóth

NEWS

28 Apr 2026: Our paper, "Private Delegation of (Non-)Membership Proof Updates in Cryptographic Accumulators" is now available on eprint.
14 Apr 2026: My presentation about trustless consensus manipulation have been accepted to BSides Aarhus 2026.
12 Jan 2026: Our paper on trustless consensus manipulation through bribing contracts appeared in the FC'26 preproceedings.
21 Sep 2025: Our paper on trustless consensus manipulation through bribing contracts is now available on eprint.
28 May - 11 Jun 2025: Achieved 11th at unitaryHACK 2025 with contributions to open-source quantum computing projects.

Eötvös Loránd University · Remote
Oct 2024 – Jun 2026

Contributed to the design and implementation of a secure encryption module in C++ for the EuroQCI quantum communication project.
Implemented checkpoint-based caching that stores results at each checkpoint, enabling state restoration after shutdown from scratch.

Wigner Research Centre for Physics · Hybrid
Jun 2024 – Jun 2025

Collaborated with PhD researchers to accelerate permanent function computation for photonic quantum computing workloads such as Gaussian Boson sampling.
Derived and implemented a novel gradient formula for the permanent, making the computation more efficient.
Achieved a 2x performance boost compared to state-of-the-art permanent calculators through GPU (CUDA) based optimizations.

OTP Bank · Hybrid
Feb 2025 – Apr 2025

Investigated the feasibility of integrating post-quantum cryptographic schemes into blockchain consensus and transaction layers.

Bribers, Bribers on The Chain, Is Resisting All in Vain? Trustless Consensus Manipulation Through Bribing Contracts
Bence Soóki-Tóth, István András Seres, Kamilla Kara, Ábel Nagy, Balázs Pejó, Gergely Biczók

Financial Cryptography and Data Security 2026 (FC'26)

Trustless Consensus Manipulation Through Bribing Contracts
BSides Aarhus 2026, June 2026
Trustless Consensus Manipulation Through Bribing Contracts
Aarhus Crypto Seminar, March 2026
Bribers, Bribers on The Chain, Is Resisting All in Vain?
Financial Cryptography and Data Security 2026 (FC'26)
Developer tools & Ecosystem on Polygon
DevX Global Tour, July 2023

SAP · Budapest, Hungary
July 2023 – May 2024

Increased SAP Service and Asset Manager automated test coverage by converting manual workflows into Java/Appium test suites.

Coding Sans · Budapest, Hungary
June 2022 – Oct 2022

crypto-rs: dependency-free cryptographic primitives in Rust, built from scratch
stark-rs: in-progress, dependency-free implementation of a STARK proof system in Rust, built from scratch
Bribers, Bribers on The Chain, Is Resisting All in Vain?: trustless consensus manipulation through bribing contracts, paper for FC'26

Achieved 11th place during unitaryHACK 2025 by contributing to ldpc, rustworkx, and quizx
Permanent boost: calculates the permanent function about 100% faster than previous state of the art implementations
QCS: quantum circuit simulator written in C++
QCBM: implementation of the Differentiable learning of quantum circuit Born machines paper
Steane: quantum error correction using code concatenation and the Steane code