| Date | User | Challenge | Score |
| lemon1024 | Bytes and Big Integers | 10 | |
| kaverysree | Favourite byte | 20 | |
| temidojo | Base64 | 10 | |
| kaverysree | XOR Properties | 15 | |
| jomomo | Keyed Permutations | 5 | |
| Arriccio | Non-Interactive | 35 | |
| thaily04 | Favourite byte | 20 | |
| temidojo | Hex | 5 | |
| thaily04 | XOR Properties | 15 | |
| hayzer | Chinese Remainder Theorem | 40 | |
| Anucker101 | Modular Arithmetic 2 | 20 | |
| jomomo | Modular Binomials | 80 | |
| Arriccio | Honest Verifier Zero Knowledge | 30 | |
| DonKiwi | Finding Flags | 2 | |
| jomomo | Adrien's Signs | 80 | |
| valh4x | The Good, The Pad, The Ugly | 100 | |
| grupo6 | Finding Flags | 2 | |
| MusashiCipher | Greatest Common Divisor | 15 | |
| MusashiCipher | ASCII | 5 | |
| mduffy2 | XOR Starter | 10 | |
| mduffy2 | Bytes and Big Integers | 10 | |
| trendcrusher | Encoding Challenge | 40 | |
| dlesk | Hash Stuffing | 50 | |
| mduffy2 | Base64 | 10 | |
| amine1717 | XOR Starter | 10 | |
| diamond_celest | Base64 | 10 | |
| elesquina | Resisting Bruteforce | 10 | |
| an_yujin | Digestive | 60 | |
| diamond_celest | Hex | 5 | |
| david_xor | ASCII | 5 | |
| drzejus | ZKP Introduction | 5 | |
| elesquina | Keyed Permutations | 5 | |
| kubam | Static Client 2 | 120 | |
| mduffy2 | Hex | 5 | |
| diamond_celest | ASCII | 5 | |
| mduffy2 | ASCII | 5 | |
| mduffy2 | Great Snakes | 3 | |
| diamond_celest | Great Snakes | 3 | |
| mduffy2 | Finding Flags | 2 | |
| diamond_celest | Finding Flags | 2 | |
| moozwen | Modular Binomials | 80 | |
| trendcrusher | Hamiltonicity (CryptoHack) | 0 | |
| vsetti | Factoring | 15 | |
| uxxct | CTRIME | 70 | |
| Azuke | Chinese Remainder Theorem | 40 | |
| kubam | Static Client | 100 | |
| amine1717 | Bytes and Big Integers | 10 | |
| an_yujin | Elliptic Nodes | 150 | |
| alephnvll | Modular Inverting | 25 | |
| trendcrusher | You either know, XOR you don't | 30 |
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