| Date | User | Challenge | Score |
| YepikMax | Bytes and Big Integers | 10 | |
| zzx | Modular Binomials | 80 | |
| YepikMax | Base64 | 10 | |
| hninmyatthuaye | Hex | 5 | |
| Lolllllllllll | Hex | 5 | |
| K1llTh3m | Adrien's Signs | 80 | |
| cosminradu2603 | Modular Exponentiation | 10 | |
| Flechezo | JWT Sessions | 10 | |
| hninmyatthuaye | ASCII | 5 | |
| zzx | ZKP Introduction | 5 | |
| Lolllllllllll | ASCII | 5 | |
| hninmyatthuaye | Great Snakes | 3 | |
| zzx | Image Point Arithmetic | 30 | |
| SOKUN | Extended GCD | 20 | |
| g3k1 | Modulus Inutilis | 50 | |
| zzx | The j-invariant | 20 | |
| Lolllllllllll | Great Snakes | 3 | |
| asdfgh | Generators of Groups | 20 | |
| Lolllllllllll | Finding Flags | 2 | |
| Ash123 | ZKP Introduction | 5 | |
| asdfgh | Working with Fields | 10 | |
| Atra0003 | XOR Properties | 15 | |
| hninmyatthuaye | Finding Flags | 2 | |
| Legi0n | XOR Starter | 10 | |
| whishys | Base64 | 10 | |
| k1ngk0ng | Base64 | 10 | |
| Mhfz4263_7 | Finding Flags | 2 | |
| Thorbeam | Noise Free | 40 | |
| OttaC | Network Attacks | 5 | |
| k1ngk0ng | Hex | 5 | |
| whishys | ASCII | 5 | |
| whishys | Great Snakes | 3 | |
| g3k1 | Salty | 20 | |
| dliang2654 | XOR Properties | 15 | |
| ngawipride67 | Round Keys | 20 | |
| jimmy20180130 | Greatest Common Divisor | 15 | |
| whishys | Finding Flags | 2 | |
| Daimon_crypto | Favourite byte | 20 | |
| nywla | Finding Flags | 2 | |
| bharthi_12 | Hex | 5 | |
| TOZAWA_s1340118 | Extended GCD | 20 | |
| bandit109 | XOR Starter | 10 | |
| Muthaiah | Pad Thai | 80 | |
| bharthi_12 | ASCII | 5 | |
| SOKUN | Greatest Common Divisor | 15 | |
| Denis_Roc | Deriving Symmetric Keys | 40 | |
| jimmy20180130 | You either know, XOR you don't | 30 | |
| IMU | Modular Inverting | 25 | |
| Denis_Roc | Computing Shared Secrets | 30 | |
| goosbo | Sharks on the Wire | 10 |
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