| Date | User | Challenge | Score |
| khohenshilt | Finding Flags | 2 | |
| Mehrmoosh | XOR Properties | 15 | |
| StackSmahed | Hex | 5 | |
| P4tchw0rk | XOR Starter | 10 | |
| Baobab222 | Extended GCD | 20 | |
| hammerbro4567 | Point Negation | 10 | |
| UGOTTHEBIGL | XOR Starter | 10 | |
| StackSmahed | ASCII | 5 | |
| P4tchw0rk | Bytes and Big Integers | 10 | |
| katikistan | Modular Arithmetic 2 | 20 | |
| P4tchw0rk | Base64 | 10 | |
| HaxL0p4 | Adrien's Signs | 80 | |
| P4tchw0rk | Hex | 5 | |
| Cyber_pet | XOR Starter | 10 | |
| P4tchw0rk | ASCII | 5 | |
| StackSmahed | Great Snakes | 3 | |
| P4tchw0rk | Great Snakes | 3 | |
| P4tchw0rk | Finding Flags | 2 | |
| VianneyRomero | XOR Starter | 10 | |
| StackSmahed | Finding Flags | 2 | |
| NelsonX | XOR Starter | 10 | |
| LimbertIsla | XOR Starter | 10 | |
| n0n_ov9r3lept | Finding Flags | 2 | |
| andreasb | Endless Emails | 150 | |
| Malgarius | XOR Starter | 10 | |
| katikistan | Modular Arithmetic 1 | 20 | |
| Limberth_Cruz | XOR Starter | 10 | |
| jose_enrique_91 | XOR Starter | 10 | |
| Abril_prado | XOR Starter | 10 | |
| lucky123 | Decrypting TLS 1.3 | 35 | |
| alacoria | XOR Starter | 10 | |
| diegod_arancibia | XOR Starter | 10 | |
| Ruth_Jhobana | Base64 | 10 | |
| EdemirMB | XOR Starter | 10 | |
| Baobab222 | Greatest Common Divisor | 15 | |
| Mehrmoosh | XOR Starter | 10 | |
| Minh_142857 | Curveball | 100 | |
| Alberto_Ayaviri | XOR Starter | 10 | |
| Baobab222 | You either know, XOR you don't | 30 | |
| 24BECSE19_DT | Backpack Cryptography | 120 | |
| Malgarius | Bytes and Big Integers | 10 | |
| katikistan | Greatest Common Divisor | 15 | |
| Darkdead3301 | Modular Arithmetic 2 | 20 | |
| RoDriG0_z | Bytes and Big Integers | 10 | |
| Baobab222 | Favourite byte | 20 | |
| diegod_arancibia | Bytes and Big Integers | 10 | |
| Ruth_Jhobana | Hex | 5 | |
| NelsonX | Bytes and Big Integers | 10 | |
| br_ayanz | ASCII | 5 | |
| YamilMC | XOR Starter | 10 |
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