| Date | User | Challenge | Score |
| MFTG | Finding Flags | 2 | |
| Hydra5D | XOR Properties | 15 | |
| Abyssopelagial | Great Snakes | 3 | |
| sveta_shumovai | WOTS Up 2 | 90 | |
| elysios | Modular Square Root | 35 | |
| Abyssopelagial | Finding Flags | 2 | |
| fatimiss | Greatest Common Divisor | 15 | |
| yvolynets | Modular Binomials | 80 | |
| Flaming_god1 | Great Snakes | 3 | |
| yvolynets | Adrien's Signs | 80 | |
| yvolynets | Chinese Remainder Theorem | 40 | |
| yvolynets | Modular Square Root | 35 | |
| _Kookie | Resisting Bruteforce | 10 | |
| yvolynets | Legendre Symbol | 35 | |
| Flaming_god1 | Finding Flags | 2 | |
| PhantomProtocol | XOR Starter | 10 | |
| _Kookie | Keyed Permutations | 5 | |
| yvolynets | Quadratic Residues | 25 | |
| yvolynets | Modular Inverting | 25 | |
| yvolynets | Modular Arithmetic 2 | 20 | |
| Ferdyansyah | Euler's Totient | 20 | |
| rand_user117093 | Base64 | 10 | |
| user1300 | Decrypting TLS 1.2 | 30 | |
| MuhammadSyaiful | RSA Decryption | 20 | |
| MuhammadSyaiful | Private Keys | 20 | |
| Faizsyahril | Confusion through Substitution | 25 | |
| ggghhh2004 | XOR Properties | 15 | |
| MuhammadSyaiful | Euler's Totient | 20 | |
| pm_19 | XOR Starter | 10 | |
| MuhammadSyaiful | Public Keys | 15 | |
| Ferdyansyah | RSA Decryption | 20 | |
| MuhammadSyaiful | Modular Exponentiation | 10 | |
| Ferdyansyah | Private Keys | 20 | |
| 223874_Mark | Keyed Permutations | 5 | |
| Aetheraxia | ASCII | 5 | |
| Praimus7 | Favourite byte | 20 | |
| shokhba1 | ASCII | 5 | |
| D0ri | Legendre Symbol | 35 | |
| seopal | Base64 | 10 | |
| oongyi | Resisting Bruteforce | 10 | |
| yacine2929 | Legendre Symbol | 35 | |
| rand_user117093 | Hex | 5 | |
| elysios | Legendre Symbol | 35 | |
| Praimus7 | XOR Properties | 15 | |
| seopal | Hex | 5 | |
| denzel575 | Modular Inverting | 25 | |
| rand_user117093 | ASCII | 5 | |
| yukthaurs | Great Snakes | 3 | |
| fatimiss | Favourite byte | 20 | |
| Ferdyansyah | Public Keys | 15 |
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