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Hardware Security
Mate CTF: The Greatest Birthday Present Ever Made
28 December 2025
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1494 words
·
8 mins
CTF
Birthday
Hardware Security
ESP32
Rowhammer
Mate
Friendship
My friends built me a custom CTF for my 26th birthday. It had QR codes hidden in birthday cards, physical flags at ETH, and an ESP32 “rowhammer” challenge. A tale of caffeine addiction and hardware security trauma.