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Ciphers
The language of machines.
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Make the machine do what you want.
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March 30, 2021
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New layout with Salient
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Solve a puzzle, get a coupon
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Announcing the winners
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March 30, 2021
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Accepting new sponsors
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March 30, 2021
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COVID-19 Response
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March 30, 2021
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COVID-19 Updates and Information
Topics
A featured topic
1
Ciphers
The language of machines.
Hacking
White, gray, or black hats welcome.
Puzzles
Find ’em, solve ’em, reward ’em!
2
Programming
Make the machine do what you want.
Algorithms
Implementations and patterns.
OSINT
Open-source intelligence methods and tools
Participate
Schedule
About
FAQ
Sponsors
Contact
