# HKCERT CTF 2022: Writeup Competition Winners | Challenge Name | Author | Link | | ----------------------- | -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------- | | Auction with Blockchain | Darrenheihei | [Writeup](https://hackmd.io/@Darrenheihei/S1A7FlvPj) | | Auction with Blockchain | Kapakki | [Writeup](https://kapakki.ml/pages/blog/ctf/hkcert22/auction_with_blockchain.html) | | babyUXSS return | Hollow | [Writeup](https://hackmd.io/@hollowctf/hkcert2022-babyUXSS-return) | | Back to the Past | siunam | [Writeup](https://siunam321.github.io/ctf/HKCERT-CTF-2022/Web/Back-to-the-Past/) | | Base64 Encryption | TrebledJ | [Writeup](https://trebledj.github.io/posts/hkcert-2022-base64-encryption/) | | C++harming Website | despawningbone | [Writeup](https://hackmd.io/@despawningbone/BJzmTQ-Lo) | | C++harming Website | TrebledJ | [Writeup](https://trebledj.github.io/posts/hkcert-2022-cpp-harming-website/) | | Expat Passer Confucian | TWY | [Writeup](https://hackmd.io/@amyriad/hkcert-expat-passer-confucian) | | Farfetched | Kynson Szetau | [Writeup](https://kynsonszetau.notion.site/kynsonszetau/HKCERT-CTF-2022-Write-Up-6dd8bee879e143668dcb83d48a871fda) | | Math 24 Game 1 & 2 | Kevin | [Writeup](https://connectpolyu-my.sharepoint.com/:f:/g/personal/22048778g_connect_polyu_hk/EicX3jmJVutHkfcMJDq9crIBb0Ng7g5viCarT3sgJNlveA?e=cPKf1A) | | Math 24 Game 2 | bensonby | [Writeup](https://github.com/autoexecbat-ctf/write-ups/tree/main/hkcertctf2022/the-math24-game-2) | | Minecraft Geoguessr | Diztend | [Writeup](https://hackmd.io/@SjsWnr9KR1uei9NJw969VQ/rJg0vURSj#Minecraft-Geoguessr) | | Pop Team Eric | kilowatt | [Writeup](https://hackmd.io/IOi_rBY2TAWVMGe6mmMJgQ) | | Ring | sahuang#6271 | [Writeup](https://sahuang.github.io/writeups/hkcert-ctf-2022/ring/) | | Scratch Passcode 2 | chemistrying | [Writeup](https://hackmd.io/c5Hyq6xDQHmxEXRlveYfgQ) | | Slow Keystream | Alvin | [Writeup](https://github.com/autoexecbat-ctf/write-ups/tree/main/hkcertctf2022/slow-keystream) | | Slow Keystream | R1ckyH | [Writeup](https://github.com/R1ckyH/CTF-writeup/blob/master/hkcert/22/prng.md) | | Tuning Keyboard v3 | 468 | [Writeup](https://shirubasuriba.hatenablog.com/entry/2022/11/16/131847#Tuning-Keyboard-v3-314-points-9-solves) | | Tuning Keyboard v3 | MarcoHo | [Writeup](https://hackmd.io/@7oa3gyfhSz-Gf7iVr3vtsw/Bkw2DeZDi) | | UAF2 | Viky | [Writeup](https://hackmd.io/@vikychoi/rkpspmmLi) | | UAF2 | botton | [Writeup](https://bott0n.github.io/posts/hkcertctf-2022-writeups/#uaf2) | | Wordle | attempt0#7397 | [Writeup](https://hackmd.io/@ep1mO7yISIaANyGUViXjPg/rkVsaICLj) |