| Date | User | Challenge | Score |
| asd123 | Everything is Big | 70 | |
| CyberKelvin | Bean Counter | 60 | |
| CyberKelvin | Symmetry | 50 | |
| shjtsakura | Great Snakes | 3 | |
| CyberKelvin | Flipping Cookie | 60 | |
| CyberKelvin | ECB CBC WTF | 55 | |
| livindalif3 | Base64 | 10 | |
| shjtsakura | Finding Flags | 2 | |
| CyberKelvin | ECB Oracle | 60 | |
| CyberKelvin | Passwords as Keys | 50 | |
| Cryb | Bytes and Big Integers | 10 | |
| CyberKelvin | Modes of Operation Starter | 15 | |
| CyberKelvin | Bringing It All Together | 50 | |
| livindalif3 | Hex | 5 | |
| CyberKelvin | Diffusion through Permutation | 30 | |
| matheus_8789142 | Modular Arithmetic 2 | 20 | |
| CyberKelvin | Confusion through Substitution | 25 | |
| CyberKelvin | Round Keys | 20 | |
| asd123 | Square Eyes | 35 | |
| CyberKelvin | Structure of AES | 15 | |
| xheroes | Great Snakes | 3 | |
| CyberKelvin | Resisting Bruteforce | 10 | |
| CyberKelvin | Keyed Permutations | 5 | |
| Grupo9_Mate | RSA or HMAC? Part 2 | 100 | |
| CyberKelvin | Modular Binomials | 80 | |
| xheroes | Finding Flags | 2 | |
| asd123 | Inferius Prime | 30 | |
| brew | ProSign 3 | 100 | |
| mateAplicada | RSA or HMAC? Part 2 | 100 | |
| mateAplicada | JSON in JSON | 40 | |
| mateAplicada | RSA or HMAC? | 35 | |
| mateAplicada | JWT Secrets | 25 | |
| mateAplicada | No Way JOSE | 20 | |
| mateAplicada | JWT Sessions | 10 | |
| mateAplicada | Token Appreciation | 5 | |
| parawhy | Finding Flags | 2 | |
| CyberKelvin | Adrien's Signs | 80 | |
| Necrosa | Base64 | 10 | |
| shree17 | Greatest Common Divisor | 15 | |
| CyberKelvin | Chinese Remainder Theorem | 40 | |
| CyberKelvin | Modular Square Root | 35 | |
| Moonyyy_PhysMath | Finding Flags | 2 | |
| CyberKelvin | Legendre Symbol | 35 | |
| CyberKelvin | Quadratic Residues | 25 | |
| KowalskiVan | Bruce Schneier's Password | 100 | |
| CyberKelvin | Modular Inverting | 25 | |
| CyberKelvin | Modular Arithmetic 2 | 20 | |
| CyberKelvin | Modular Arithmetic 1 | 20 | |
| KowalskiVan | No Leaks | 100 | |
| cwh64 | Passwords as Keys | 50 |
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