| Date | User | Challenge | Score |
| revivd | Hex | 5 | |
| Ameena | Finding Flags | 2 | |
| stan420 | Finding Flags | 2 | |
| McGrawDMH | Bytes and Big Integers | 10 | |
| Alfred_Gitonga | ASCII | 5 | |
| revivd | ASCII | 5 | |
| Abdelwahab | Bytes and Big Integers | 10 | |
| revivd | Great Snakes | 3 | |
| Alfred_Gitonga | Great Snakes | 3 | |
| brawl02 | Modular Inverting | 25 | |
| Santikawaii | Encoding Challenge | 40 | |
| revivd | Finding Flags | 2 | |
| n0v4_4v0n | Modular Inverting | 25 | |
| Abdelwahab | Base64 | 10 | |
| WertherSamsa | Prime and Prejudice | 200 | |
| Alfred_Gitonga | Finding Flags | 2 | |
| feynhat | Hash Stuffing | 50 | |
| n0v4_4v0n | Modular Arithmetic 2 | 20 | |
| Abdelwahab | Hex | 5 | |
| n0v4_4v0n | Modular Arithmetic 1 | 20 | |
| benito255 | Key Backup Service 1 (HKCERT CTF) | 0 | |
| benito255 | Sign In Please, Again (HKCERT CTF) | 0 | |
| benito255 | Sratslla SEA (HKCERT CTF) | 0 | |
| benito255 | SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) | 0 | |
| benito255 | Substitution Cipher III (DownUnderCTF) | 0 | |
| benito255 | GLP420 (HackTM CTF) | 0 | |
| benito255 | Blind (ECSC 2023 (Norway)) | 0 | |
| benito255 | Smithing contest (ECSC 2024 (Italy)) | 0 | |
| 3nz0 | Modular Inverting | 25 | |
| Cano_il_Marsi | Smooth Criminal | 60 | |
| Abdelwahab | ASCII | 5 | |
| benito255 | RSATogether (ECSC 2024 (Italy)) | 0 | |
| benito255 | Quo vadis? (ECSC 2024 (Italy)) | 0 | |
| benito255 | One Round Crypto (ECSC 2024 (Italy)) | 0 | |
| Abdelwahab | Great Snakes | 3 | |
| Santikawaii | Bytes and Big Integers | 10 | |
| tacex_ | Lazy CBC | 60 | |
| Abdelwahab | Finding Flags | 2 | |
| 3nz0 | Modular Arithmetic 2 | 20 | |
| n0v4_4v0n | Extended GCD | 20 | |
| jmusic | Deriving Symmetric Keys | 40 | |
| Santikawaii | Base64 | 10 | |
| Dimitris_Toulis | Ellipse Curve Cryptography | 125 | |
| QmosTaza | You either know, XOR you don't | 30 | |
| 3nz0 | Modular Arithmetic 1 | 20 | |
| Santikawaii | Hex | 5 | |
| 3nz0 | Extended GCD | 20 | |
| Cano_il_Marsi | Efficient Exchange | 50 | |
| jmusic | Computing Shared Secrets | 30 | |
| pp0101 | Private Keys | 20 |
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