| Date | User | Challenge | Score |
| cyandyes | Quadratic Residues | 25 | |
| Preeyam183 | XOR Starter | 10 | |
| sa2306 | Public Keys | 15 | |
| rotaryrotasu | Quadratic Residues | 25 | |
| rotaryrotasu | Modular Inverting | 25 | |
| sa2306 | Modular Exponentiation | 10 | |
| Artur6725 | No Way JOSE | 20 | |
| dzhinin5 | Hex | 5 | |
| rotaryrotasu | Modular Arithmetic 2 | 20 | |
| rotaryrotasu | Modular Arithmetic 1 | 20 | |
| rachaeloyelowo | Hex | 5 | |
| rachaeloyelowo | ASCII | 5 | |
| rotaryrotasu | Extended GCD | 20 | |
| rachaeloyelowo | Great Snakes | 3 | |
| ak2407 | Modular Binomials | 80 | |
| rachaeloyelowo | Finding Flags | 2 | |
| eduardoLombardo | Generators of Groups | 20 | |
| rotaryrotasu | Greatest Common Divisor | 15 | |
| adeenak | Private Keys | 20 | |
| cyandyes | Modular Inverting | 25 | |
| eduardoLombardo | Working with Fields | 10 | |
| Rydon | Finding Flags | 2 | |
| rotaryrotasu | You either know, XOR you don't | 30 | |
| pafcio | ECB Oracle | 60 | |
| Denge | Public Keys | 15 | |
| gawol332 | No Way JOSE | 20 | |
| adeenak | Euler's Totient | 20 | |
| Preeyam183 | Bytes and Big Integers | 10 | |
| DBorhara | Greatest Common Divisor | 15 | |
| Denge | Modular Exponentiation | 10 | |
| radare | Hash Stuffing | 50 | |
| N0tPresl3y | Hamiltonicity 2 (CryptoHack) | 0 | |
| N0tPresl3y | Fischlin's Transformation (CryptoHack) | 0 | |
| N0tPresl3y | Fischlin Transform | 180 | |
| dzhinin5 | ASCII | 5 | |
| nikithapm | Factoring | 15 | |
| ipressma | CTRIME | 70 | |
| Artur6725 | JWT Sessions | 10 | |
| Hazel | Lazy CBC | 60 | |
| dzhinin5 | Great Snakes | 3 | |
| N0tPresl3y | Hamiltonicity 2 | 175 | |
| Hazel | Triple DES | 60 | |
| dzhinin5 | Finding Flags | 2 | |
| cyandyes | Modular Arithmetic 2 | 20 | |
| adeenak | Public Keys | 15 | |
| adeenak | Modular Exponentiation | 10 | |
| Prajith | Export-grade | 100 | |
| acedevine | Legendre Symbol | 35 | |
| eduardoLombardo | ZKP Introduction | 5 | |
| Preeyam183 | Base64 | 10 |
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