| Date | User | Challenge | Score |
| ShadowLord47 | Favourite byte | 20 | |
| Meen4 | Lazy CBC | 60 | |
| titideptrai | Extended GCD | 20 | |
| knollknows | Finding Flags | 2 | |
| sawfoxy | Chinese Remainder Theorem | 40 | |
| tera | From Private to Public Key LWE | 25 | |
| 8l4nk | Special Soundness | 25 | |
| berserkerboy | Adrien's Signs | 80 | |
| whale120 | Dual Masters | 90 | |
| tera | LWE Low Bits Message | 20 | |
| titideptrai | Greatest Common Divisor | 15 | |
| n3m0_504 | Hex | 5 | |
| nmcrypto | Scalar Multiplication | 35 | |
| qslg | JSON in JSON | 40 | |
| qslg | RSA or HMAC? | 35 | |
| 8l4nk | Proofs of Knowledge | 20 | |
| tera | LWE High Bits Message | 15 | |
| qslg | JWT Secrets | 25 | |
| berserkerboy | Chinese Remainder Theorem | 40 | |
| PatrickL_SC | Authenticated Handshake | 40 | |
| berserkerboy | Modular Square Root | 35 | |
| berserkerboy | Legendre Symbol | 35 | |
| tera | LWE Intro | 10 | |
| 8l4nk | ZKP Introduction | 5 | |
| arkkiyel | Confusion through Substitution | 25 | |
| tera | LWE Background | 5 | |
| berserkerboy | Quadratic Residues | 25 | |
| berserkerboy | Modular Inverting | 25 | |
| PatrickL_SC | Decrypting TLS 1.3 | 35 | |
| berserkerboy | Modular Arithmetic 2 | 20 | |
| cyberri | Null or Never | 100 | |
| Redender64 | The j-invariant | 20 | |
| 8l4nk | RRSSAA (ECSC 2023 (Norway)) | 0 | |
| Redender64 | Introduction to Isogenies | 10 | |
| pudim360pablolui | Finding Flags | 2 | |
| Yousef_mo7sen | Great Snakes | 3 | |
| 0Drakos | Token Appreciation | 5 | |
| 0Drakos | Modes of Operation Starter | 15 | |
| 0Drakos | Bringing It All Together | 50 | |
| 0Drakos | Diffusion through Permutation | 30 | |
| 0Drakos | Confusion through Substitution | 25 | |
| 0Drakos | Round Keys | 20 | |
| 0Drakos | Structure of AES | 15 | |
| VynZoldyck | ASCII | 5 | |
| venkatanaveen | Finding Flags | 2 | |
| kiennvbak | Resisting Bruteforce | 10 | |
| kiennvbak | Keyed Permutations | 5 | |
| yoyis | Finding Flags | 2 | |
| kiennvbak | Extended GCD | 20 | |
| 0Drakos | Hash Stuffing | 50 |
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