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Hardware - Lost-in-Madras - bi0s CTF 2025

hw rev
2025-06-09

Or; Epic Fail by the Challenge Creator—They Got Their Own Flag DEAD WRONG and You Won't Believe Why

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Crypto – Perfection – UVT CTF 2025

crypto linear algebra prng
2025-05-09

Writeup of the OTP‐oracle challenge Perfection from UVT CTF 2025

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Crypto - Quantum Detanglement – UVT CTF 2025

crypto quantum
2025-05-08

Writeup of the hardest crypto challenge Quantum Detanglement from UVT CTF 2025

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Apply to join valgrind

2025-04-09

Want to join us? Start here.

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Call for Authors: valgrindCTF '25

valgrindCTF
2025-01-09

Join us in creating challenges for our upcoming CTF!

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