| Date | User | Challenge | Score |
| numonov564 | Base64 | 10 | |
| e52maw | Inferius Prime | 30 | |
| numonov564 | Hex | 5 | |
| w4rf0t | Adrien's Signs | 80 | |
| numonov564 | ASCII | 5 | |
| jungjaaae | Generators of Groups | 20 | |
| noobboymk | Structure of AES | 15 | |
| OvoFiona | Modular Binomials | 80 | |
| w4rf0t | CERTainly not | 30 | |
| kitkitkit | Monoprime | 30 | |
| Laniakea24 | Infinite Descent | 50 | |
| numonov564 | Great Snakes | 3 | |
| w4rf0t | Privacy-Enhanced Mail? | 25 | |
| sejong050409 | Chinese Remainder Theorem | 40 | |
| jungjaaae | Working with Fields | 10 | |
| nhatanh1105 | Gram Schmidt | 30 | |
| Nyunseo | Round Keys | 20 | |
| tester_account_X | Network Attacks | 5 | |
| numonov564 | Finding Flags | 2 | |
| kaleidooa | Salty | 20 | |
| kitkitkit | Inferius Prime | 30 | |
| bunnsy26 | Monoprime | 30 | |
| Dexecuting | Greatest Common Divisor | 15 | |
| halliana | Twin Keys | 100 | |
| bunnsy26 | Factoring | 15 | |
| Frederik353 | Legendre Symbol | 35 | |
| OvoFiona | Adrien's Signs | 80 | |
| w4rf0t | Quadratic Residues | 25 | |
| jungjaaae | Successive Powers | 60 | |
| e52maw | Factoring | 15 | |
| w4rf0t | Broken RSA | 100 | |
| Laniakea24 | Modulus Inutilis | 50 | |
| Brad3017 | Adrien's Signs | 80 | |
| OvoFiona | Chinese Remainder Theorem | 40 | |
| w4rf0t | Successive Powers | 60 | |
| Laniakea24 | Salty | 20 | |
| kitkitkit | Factoring | 15 | |
| owen23 | Finding Flags | 2 | |
| e52maw | RSA Signatures | 25 | |
| OvoFiona | Modular Square Root | 35 | |
| marwamohamed | Quadratic Residues | 25 | |
| Ohrorong | Modular Exponentiation | 10 | |
| jungjaaae | Chinese Remainder Theorem | 40 | |
| muroot | Finding Flags | 2 | |
| marwamohamed | Modular Inverting | 25 | |
| marwamohamed | Modular Arithmetic 2 | 20 | |
| Laniakea24 | Manyprime | 40 | |
| noobboymk | Modular Binomials | 80 | |
| Lupchic | Modular Binomials | 80 | |
| pjmgc | Chinese Remainder Theorem | 40 |
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