2025from public repositories
Hacktoday Final 2025
7 challenges with 9 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveMisc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Solve it with:Brainfuck and esolang decoderCipher identifier and automatic decoderRegex tester with match offsets and capture groupsLearn: Recognising encodings
Auction0
2 official solutionsAlso written up in: SandWithCheese/ctf-writeups, SandWithCheese/ctf-writeups
Auction
1 official solutionAlso written up in: SandWithCheese/ctf-writeups
ERC20
1 official solutionAlso written up in: SandWithCheese/ctf-writeups
Vaulty
1 official solutionAlso written up in: SandWithCheese/ctf-writeups
Uncategorised3
The upstream scoreboard did not say, so neither do we.
Also written up in: SandWithCheese/ctf-writeups, SandWithCheese/ctf-writeups
Forcry
1 official solutionAlso written up in: evanaff/CTF-writeups
FreeFlag
1 official solutionAlso written up in: evanaff/CTF-writeups