Offical URL:

This year, we'll hold Balsn CTF 2020 with high-quality and creative challenges!
We cordially invite your team to join this party!

Organizers: Balsn (
Twitter: @balsnctf
Contact: [email protected]

CTF events

Balsn CTF 202137.00
Balsn CTF 202025.00
Balsn CTF 201925.00
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