| Date | User | Challenge | Score |
| wardil | Hex | 5 | |
| sanjana03 | Great Snakes | 3 | |
| sanjana03 | Finding Flags | 2 | |
| ssleepysky | Bytes and Big Integers | 10 | |
| svb_van | Base64 | 10 | |
| wardil | ASCII | 5 | |
| YoYoRap | Salty | 20 | |
| tr011ist | Manyprime | 40 | |
| wardil | Great Snakes | 3 | |
| wardil | Finding Flags | 2 | |
| JoelAnderson | Greatest Common Divisor | 15 | |
| M1D0R1M4 | JWT Sessions | 10 | |
| M1D0R1M4 | Token Appreciation | 5 | |
| svb_van | Hex | 5 | |
| cavazinf | Jeff's LFSR | 150 | |
| rjk976 | Modular Arithmetic 1 | 20 | |
| NoBirdWasHam | WOTS Up 2 | 90 | |
| AGENT007_BOSS | Bytes and Big Integers | 10 | |
| svb_van | ASCII | 5 | |
| Aut0 | Legendre Symbol | 35 | |
| aless | You either know, XOR you don't | 30 | |
| AGENT007_BOSS | Base64 | 10 | |
| PurpleO | Finding Flags | 2 | |
| Shinerone | Round Keys | 20 | |
| AGENT007_BOSS | Hex | 5 | |
| TheRoundRoads | Crossed Wires | 100 | |
| WhAt | Structure of AES | 15 | |
| AGENT007_BOSS | ASCII | 5 | |
| cavazinf | L-Win | 120 | |
| Shinerone | Structure of AES | 15 | |
| cavazinf | Trust Games | 150 | |
| AGENT007_BOSS | Great Snakes | 3 | |
| AGENT007_BOSS | Finding Flags | 2 | |
| TheRoundRoads | Everything is Big | 70 | |
| Beethoven3 | Bounded Noise | 50 | |
| WhAt | Resisting Bruteforce | 10 | |
| skylight | Salty | 20 | |
| WhAt | Keyed Permutations | 5 | |
| QWXXHSX123 | CSIDH Key Exchange | 90 | |
| Shinerone | Resisting Bruteforce | 10 | |
| TheRoundRoads | Square Eyes | 35 | |
| WhAt | Modular Binomials | 80 | |
| svb_van | Great Snakes | 3 | |
| dianziyun | Resisting Bruteforce | 10 | |
| GameCity | Privacy-Enhanced Mail? | 25 | |
| svb_van | Finding Flags | 2 | |
| TheRoundRoads | Inferius Prime | 30 | |
| cavazinf | RSA vs RNG | 150 | |
| BrianPVP666 | XOR Properties | 15 | |
| NoBirdWasHam | Size and Basis | 15 |
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