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Every CTF
2024found by harvest

BlockCTF 2024 (Formerly SquareCTF)

12 challenges with 13 published solutions between them. No writeups were ever filed against this event's listing, so its solutions were found in public repositories instead. Each link is pinned to the commit it was read from.

The event listing

Uncategorised9

The upstream scoreboard did not say, so neither do we.

Cryptography3

Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.

Other 2024 events