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From CTFs to hackathons, find the perfect challenge for your skill level.

Security competitions with puzzles in web, crypto, pwn, and reversing.

Find vulnerabilities in real applications and earn rewards.

Build innovative projects in intense 24-48 hour sprints.

Algorithmic programming challenges to test your skills.

Talks, workshops, and networking with the community.

Funding and mentorship for open source maintainers.

Contribute to open source and earn bounties.