| Date | User | Challenge | Score |
| r3xdj | XOR Starter | 10 | |
| mathan0072007 | ASCII | 5 | |
| r3xdj | Bytes and Big Integers | 10 | |
| ZanCTF | Bespoke Padding | 100 | |
| r3xdj | Base64 | 10 | |
| r3xdj | Hex | 5 | |
| r3xdj | ASCII | 5 | |
| r3xdj | Great Snakes | 3 | |
| r3xdj | Finding Flags | 2 | |
| mathan0072007 | Great Snakes | 3 | |
| Mellivora | Euler's Totient | 20 | |
| fentaohe | Salty | 20 | |
| mathan0072007 | Finding Flags | 2 | |
| g0ld3 | You either know, XOR you don't | 30 | |
| mochaowo | Unencryptable | 125 | |
| Mellivora | Public Keys | 15 | |
| rapt00r | No Leaks | 100 | |
| sixsquareAI | Modular Binomials | 80 | |
| NioZow | Beatboxer | 150 | |
| hakka52 | Bounded Noise | 50 | |
| sayai | Greatest Common Divisor | 15 | |
| mochaowo | Roll your Own | 125 | |
| sixsquareAI | Adrien's Signs | 80 | |
| Nazriel | XOR Starter | 10 | |
| Lord_Ping | Great Snakes | 3 | |
| Lord_Ping | Finding Flags | 2 | |
| fentaohe | Manyprime | 40 | |
| vivisect0r | Working with Fields | 10 | |
| ghostcoder09 | Hex | 5 | |
| Mellivora | Modular Exponentiation | 10 | |
| ghostcoder09 | ASCII | 5 | |
| vivisect0r | Modulus Inutilis | 50 | |
| ghostcoder09 | Great Snakes | 3 | |
| vivisect0r | Salty | 20 | |
| ghostcoder09 | Finding Flags | 2 | |
| TiaraCitraL | Modulus Inutilis | 50 | |
| Ayuwandira | RSA Signatures | 25 | |
| sixsquareAI | Factoring | 15 | |
| nysfatimahna | Manyprime | 40 | |
| TiaraCitraL | Salty | 20 | |
| traktor | ECB CBC WTF | 55 | |
| sixsquareAI | Legendre Symbol | 35 | |
| Ayuwandira | RSA Decryption | 20 | |
| TiaraCitraL | Manyprime | 40 | |
| Shaddow_Zane | Finding Flags | 2 | |
| sixsquareAI | Quadratic Residues | 25 | |
| Ayuwandira | Private Keys | 20 | |
| mochaowo | Ellipse Curve Cryptography | 125 | |
| Mellivora | Lemur XOR | 40 | |
| sixsquareAI | Transparency | 50 |
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