2025from public repositories
ICCTokyo 2025
5 challenges with 10 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 liveUncategorised4
The upstream scoreboard did not say, so neither do we.
Polynomial Error Canceller
3 official solutionsAlso written up in: potyama/CTF-Writeup, potyama/CTF-Writeup, potyama/CTF-Writeup
Also written up in: potyama/CTF-Writeup
Also written up in: potyama/CTF-Writeup
New Random
1 official solutionAlso written up in: potyama/CTF-Writeup
Web1
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Solve it with:JWT decoder and signature verifierJWT alg=none bypass generatorWeb attack payload catalogJWT secret brute forceLearn: Sessions, tokens and access control
Xsp Leak
4 official solutionsAlso written up in: arkark/my-ctf-challenges, Hope0351/CTF-collection, arkark/my-ctf-challenges, Hope0351/CTF-collection