R3CTF 2025
17 challenges with 18 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 listingMisc12
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Arena
1 official solutionAlso written up in: Ectario/articles-and-wu
Console
1 official solutionAlso written up in: Ectario/articles-and-wu
CONTRIBUTING
1 official solutionAlso written up in: Ectario/articles-and-wu
Debugzz.s
1 official solutionAlso written up in: Ectario/articles-and-wu
Deploy.s
1 official solutionAlso written up in: Ectario/articles-and-wu
Exploit.t
1 official solutionAlso written up in: Ectario/articles-and-wu
IERC7540
1 official solutionAlso written up in: Ectario/articles-and-wu
StdCheats
1 official solutionAlso written up in: Ectario/articles-and-wu
StdCheats.t
1 official solutionAlso written up in: Ectario/articles-and-wu
StdStorage
1 official solutionAlso written up in: Ectario/articles-and-wu
StdUtils
1 official solutionAlso written up in: Ectario/articles-and-wu
StdUtils.t
1 official solutionAlso written up in: Ectario/articles-and-wu
Uncategorised4
The upstream scoreboard did not say, so neither do we.
Split3pig
2 official solutionsAlso written up in: tl2cents/CTF-Writeups, a-p-n/CTF-solutions
for the R3 pig problem
1 official solutionAlso written up in: heathbar019/Writeups
R3coin
1 official solutionAlso written up in: a-p-n/CTF-solutions
R3tauq
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Silent Profit
1 official solutionAlso written up in: siunam321/CTF-Writeups