YaponsRH
yapons
YAPONS is an attention-to-earn protocol on Robinhood Chain that rewards users with $YAP tokens based on multi-factor mindshare scores of their X posts.
AI repository intelligence
FR-AI / ANALYSISWhy it is worth attention
It offers a comprehensive, open-source archive of high-quality CTF challenges across multiple domains, with bounties on selected unsolved problems, making it a valuable learning resource and reference for the CTF community.
Who it is for
- CTF players and competitors
- Security researchers and practitioners
- Cybersecurity educators and students
Use cases
- Practice and study real CTF challenges with official solutions
- Analyze challenge design patterns across categories like blockchain, crypto, pwn, etc.
- Use as a reference for creating new CTF challenges
Strengths
- Well-organized structure with clear categories, difficulty ratings, and author credits
- Includes both code (AGPL-3.0) and writeups (CC BY-NC-SA 4.0) for easy reuse
- Bounties incentivize solving hard or unsolved challenges
- Backed by a reputable CTF team with active community links
Considerations
- Not a tutorial; assumes prior CTF knowledge
- Some challenges (e.g., 'pwnable document fabricator') remain unsolved, limiting immediate learning
- Non-code content has non-commercial restrictions
README quick start
![Banner][Banner]
![Code License: AGPL v3][Code License] ![Non-Code License: CC BY-NC-SA 4.0][Non-Code License] ![Stars][Stars]
This repository contains official source code and writeups for challenges from [SekaiCTF 2026][CTFTime].
[CTFTime][CTFTime] • [Website][Website] • [Discord][Discord] • [Blog][Blog] • [Twitter][Twitter]
Blockchains
| Name | Author | Difficulty | Solves |
|---|---|---|---|
| PP Farming* | brokenappendix | 1⟡ (Easy) | 444 |
| PP Farming 2* | brokenappendix | 2⟡ (Normal) | 167 |
| Open World* | y4nhu1 | 2⟡ (Normal) | 149 |
| Outer Stellar* | snwo | 4⟡ (Expert) | 130 |
Cryptography
| Name | Author | Difficulty | Solves |
|---|---|---|---|
| oneline6ryp7o | Neobeo | 1⟡ (Easy) | 423 |
| orbital-strike | Water | 3⟡ (Hard) | 89 |
| needLe in a multivariate sekai | sceleri | 5⟡ (Master) | 43 |
| Iihash | sceleri | 5⟡ (Master) | 29 |
| apbq-rsa-iv | Neobeo | 5⟡ (Master) | 11 |
Miscellaneous
| Name | Author | Difficulty | Solves |
|---|---|---|---|
| ▶ Sanity Check | SekaiCTF | 1⟡ (Easy) | 788 |
| impossible stego | sy1vi3 | 1⟡ (Easy) | 295 |
| Survey | SekaiCTF | 1⟡ (Easy) | 246 |
| [(game) Bejeweled](ga |
Description
🎵 Official source code and writeups for SekaiCTF 2026!
