| Date | User | Challenge | Score |
| cyan1228 | Monoprime | 30 | |
| Off_Bl4ck | Finding Flags | 2 | |
| AbhiZ | ASCII | 5 | |
| kacpersowka | Keyed Permutations | 5 | |
| Yousef545 | Modular Arithmetic 1 | 20 | |
| postQuantum | Private Keys | 20 | |
| muelltonne | Modular Square Root | 35 | |
| syeyoung | Manyprime | 40 | |
| kurumi_11 | Bytes and Big Integers | 10 | |
| Bakhita | ECB Oracle | 60 | |
| bu_gye_jeong | Monoprime | 30 | |
| ChocoBibi | Base64 | 10 | |
| Bakhita | Passwords as Keys | 50 | |
| Bakhita | Modes of Operation Starter | 15 | |
| syeyoung | Monoprime | 30 | |
| AbhiZ | Great Snakes | 3 | |
| Bakhita | Bringing It All Together | 50 | |
| Bakhita | Diffusion through Permutation | 30 | |
| Bakhita | Confusion through Substitution | 25 | |
| PSI_FireGamma | Gram Schmidt | 30 | |
| amama_noor | Extended GCD | 20 | |
| Bakhita | Round Keys | 20 | |
| akey | Token Appreciation | 5 | |
| postQuantum | Euler's Totient | 20 | |
| Bakhita | Structure of AES | 15 | |
| akey | Background Reading | 5 | |
| AbhiZ | Finding Flags | 2 | |
| akey | Generators of Groups | 20 | |
| akey | Working with Fields | 10 | |
| whoishe_whoami | Base64 | 10 | |
| Bakhita | Resisting Bruteforce | 10 | |
| Yousef545 | Extended GCD | 20 | |
| postQuantum | Public Keys | 15 | |
| akey | Monoprime | 30 | |
| m1kp4 | Diffusion through Permutation | 30 | |
| moaoifff | Bytes and Big Integers | 10 | |
| akey | Factoring | 15 | |
| RythenGlyth | Gaussian Reduction | 50 | |
| whoishe_whoami | Hex | 5 | |
| kurumi_11 | Base64 | 10 | |
| akey | Private Keys | 20 | |
| akey | Euler's Totient | 20 | |
| postQuantum | Modular Exponentiation | 10 | |
| akey | Public Keys | 15 | |
| akey | Modular Exponentiation | 10 | |
| Bohnenman | Adrien's Signs | 80 | |
| moaoifff | Base64 | 10 | |
| whoishe_whoami | ASCII | 5 | |
| Maxim8677 | ProSign 3 | 100 | |
| Maxim8677 | Curveball | 100 |
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