| Date | User | Challenge | Score |
| Names3tma | Private Keys | 20 | |
| thar_n_adhithya | Hex | 5 | |
| bro31813 | ECB Oracle | 60 | |
| Names3tma | Euler's Totient | 20 | |
| KrunkerIO | Structure of AES | 15 | |
| Cee_bloop | Modular Arithmetic 2 | 20 | |
| Lighter_ever | Favourite byte | 20 | |
| brandonvht26 | XOR Starter | 10 | |
| sefimiu | Computing Public Values | 25 | |
| thar_n_adhithya | ASCII | 5 | |
| thar_n_adhithya | Great Snakes | 3 | |
| Names3tma | Confusion through Substitution | 25 | |
| thar_n_adhithya | Finding Flags | 2 | |
| brandonvht26 | Bytes and Big Integers | 10 | |
| Lighter_ever | XOR Properties | 15 | |
| Names3tma | Bringing It All Together | 50 | |
| Names3tma | Keyed Permutations | 5 | |
| brandonvht26 | Base64 | 10 | |
| yihsuan032 | Great Snakes | 3 | |
| RAVEN_031 | Additive | 70 | |
| Gopichand | Finding Flags | 2 | |
| ahmqd | Trust Games | 150 | |
| Cee_bloop | Modular Arithmetic 1 | 20 | |
| brandonvht26 | Hex | 5 | |
| RAVEN_031 | Static Client | 100 | |
| Spire | Too Many Errors | 100 | |
| yihsuan032 | Finding Flags | 2 | |
| Spire | Noise Cheap | 90 | |
| KrunkerIO | Resisting Bruteforce | 10 | |
| brandonvht26 | ASCII | 5 | |
| KK5559D | Bringing It All Together | 50 | |
| feodorics_nose | Greatest Common Divisor | 15 | |
| ikhsanmfdl | Bringing It All Together | 50 | |
| zph | Computing Public Values | 25 | |
| kkkk | RSA Decryption | 20 | |
| ikhsanmfdl | Diffusion through Permutation | 30 | |
| ahmqd | Nothing Up My Sleeve | 150 | |
| ikhsanmfdl | Confusion through Substitution | 25 | |
| KrunkerIO | Keyed Permutations | 5 | |
| brandonvht26 | Great Snakes | 3 | |
| zph | Generators of Groups | 20 | |
| zph | Working with Fields | 10 | |
| zph | Modulus Inutilis | 50 | |
| ikhsanmfdl | Round Keys | 20 | |
| Cee_bloop | Extended GCD | 20 | |
| zph | Salty | 20 | |
| brandonvht26 | Finding Flags | 2 | |
| CastorJr | Chinese Remainder Theorem | 40 | |
| asanonepunch | Confusion through Substitution | 25 | |
| CastorJr | Modular Square Root | 35 |
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