| Date | User | Challenge | Score |
| cryptitcrypthat | ASCII | 5 | |
| VINCRYPTO | ASCII | 5 | |
| davidhbookclub | Working with Fields | 10 | |
| glitchcat | Keyed Permutations | 5 | |
| tamarass | Extended GCD | 20 | |
| rama2130 | Computing Public Values | 25 | |
| VINCRYPTO | Great Snakes | 3 | |
| tzvika1995 | Bringing It All Together | 50 | |
| VINCRYPTO | Finding Flags | 2 | |
| anes234 | Point Negation | 10 | |
| CTFSlayer | Greatest Common Divisor | 15 | |
| mluescreen | XOR Properties | 15 | |
| blackade | Structure of AES | 15 | |
| rama2130 | Generators of Groups | 20 | |
| kkon | Modes of Operation Starter | 15 | |
| Hexcrux | XOR Starter | 10 | |
| tzvika1995 | Diffusion through Permutation | 30 | |
| Elliot_Anderson | XOR Properties | 15 | |
| rama2130 | Working with Fields | 10 | |
| caterpie2222 | Authentification 2 (Breizh CTF) | 0 | |
| brainr00t | Quadratic Residues | 25 | |
| tamarass | Encoding Challenge | 40 | |
| blackade | Resisting Bruteforce | 10 | |
| blackade | Keyed Permutations | 5 | |
| Hexcrux | Bytes and Big Integers | 10 | |
| tzvika1995 | Confusion through Substitution | 25 | |
| ThinhDost | Infinite Descent | 50 | |
| Seventt | CTRIME | 70 | |
| anes234 | Background Reading | 5 | |
| cryptitcrypthat | Great Snakes | 3 | |
| Hexcrux | Base64 | 10 | |
| aidananana | Passwords as Keys | 50 | |
| tzvika1995 | Round Keys | 20 | |
| aidananana | Modes of Operation Starter | 15 | |
| LvKNnT | Megalomaniac 2 | 120 | |
| aidananana | Bringing It All Together | 50 | |
| blackade | Modular Binomials | 80 | |
| VISAS_STARFROST | Quadratic Residues | 25 | |
| aidananana | Diffusion through Permutation | 30 | |
| LvKNnT | Megalomaniac 1 | 100 | |
| cahidenes | WOTS Up | 75 | |
| rdn016 | Favourite byte | 20 | |
| aidananana | Confusion through Substitution | 25 | |
| aidananana | Round Keys | 20 | |
| Ret2skillz | Modular Square Root | 35 | |
| aidananana | Structure of AES | 15 | |
| mluescreen | XOR Starter | 10 | |
| arp1t0x | CERTainly not | 30 | |
| aidananana | Resisting Bruteforce | 10 | |
| aidananana | Keyed Permutations | 5 |
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