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The Gothenburg Skyline Badge | Security Fest

Full-colour UV Printed CTF badge inspired by Gothenburg’s vibrant skyline with a touch of Cyberpunk.

The Idea
The amazing crew at the Security Fest conference wanted to make another fabulous badge for the 2023 year. Our previous year’s badge was a fun blinky badge inspired by Gothenburg trams and a quest to Rickroll everyone.

Our design ideas started from aggressive Vikings to ancient ships but eventually settled around the Gothenburg Skyline.

The intent circling around paying homage to historic buildings in the city and putting a touch of Cyberpunk while at it. From stadiums and modern buildings to historic fortresses and churches, the skyline is the epitome of transcending time and architecture. With all things considered, we arrived at the final artwork also featuring the iconic Security Fest robot.

The Working
The badge hosts all the components on the backside, thus, giving a colourful Cyberpunk look on the front side.

At the conference, we hosted a soldering village to help people solder their own LEDs in the colours they want and personalise their badges.

The badge comes preassembled with a Micro-USB port for easy and quick CTF interfacing. In the default mode, Robot LED is glowing.

The CTF is crafted with cryptography puzzles. Solving a total of 8 challenges unlock 8 building lights. The final challenge has a small instruction to claim some prizes at the conference.

To play the CTF, don’t forget to turn off the battery power and plug in your micro-USB cable. To interface with the badge, you can use the terminal or something as easy as Arduino IDE’s serial monitor. Select the right port and boot up the serial monitor. Serial monitor settings are Both NL & CR with 9600 baud.”

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