| Date | User | Challenge | Score |
| Sakurine | Quadratic Residues | 25 | |
| KFloneS | ASCII | 5 | |
| Utzu_jpg | Base64 | 10 | |
| DohnTay | Greatest Common Divisor | 15 | |
| francois | Real Curve Crypto | 200 | |
| NikOverflow | Smooth Criminal | 60 | |
| crypto_exercise | You either know, XOR you don't | 30 | |
| aleena_meraj | Export-grade | 100 | |
| Pentaquark | ZKP Introduction | 5 | |
| ThinhDost | RSA Decryption | 20 | |
| kien | Private Keys | 20 | |
| dkoazwlearning | Modular Exponentiation | 10 | |
| KFloneS | Great Snakes | 3 | |
| KFloneS | Finding Flags | 2 | |
| ThinhDost | Private Keys | 20 | |
| david_mel | Point Negation | 10 | |
| Pentaquark | Image Point Arithmetic | 30 | |
| ThinhDost | Euler's Totient | 20 | |
| Aline123 | Everything is Big | 70 | |
| ThinhDost | Public Keys | 15 | |
| Pentaquark | The j-invariant | 20 | |
| david_mel | Background Reading | 5 | |
| Pentaquark | Introduction to Isogenies | 10 | |
| ginnyweasley1123 | ASCII | 5 | |
| Pentaquark | Missing Modulus | 80 | |
| Panos_Livadaros | Decrypting TLS 1.3 | 35 | |
| DohnTay | You either know, XOR you don't | 30 | |
| ginnyweasley1123 | Great Snakes | 3 | |
| ThinhDost | Modular Exponentiation | 10 | |
| ginnyweasley1123 | Finding Flags | 2 | |
| Pentaquark | Noise Free | 40 | |
| Daksh_Mamodiya | Stream of Consciousness | 80 | |
| adam_staciwa | Monoprime | 30 | |
| TerezaGr_p22037 | SSH Keys | 35 | |
| user99 | XOR Starter | 10 | |
| halliana | Key Backup Service 2 (HKCERT CTF) | 0 | |
| Pentaquark | From Private to Public Key LWE | 25 | |
| Pentaquark | LWE Intro | 10 | |
| Pentaquark | LWE Background | 5 | |
| SharplyT | Modular Arithmetic 2 | 20 | |
| adam_staciwa | Factoring | 15 | |
| ehsan11m | Modes of Operation Starter | 15 | |
| vermelho | Modular Arithmetic 1 | 20 | |
| ehsan11m | Bringing It All Together | 50 | |
| eryk1343 | Passwords as Keys | 50 | |
| Pentaquark | Gaussian Reduction | 50 | |
| nhatminh_dz2k7 | Keyed Permutations | 5 | |
| Aline123 | Modulus Inutilis | 50 | |
| aleena_meraj | Static Client 2 | 120 | |
| aleena_meraj | Static Client | 100 |
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