| Date | User | Challenge | Score |
| Kebzor | Structure of AES | 15 | |
| D4rk_m0de | ASCII | 5 | |
| nixu_chiller | Bytes and Big Integers | 10 | |
| iLovePerona | Finding Flags | 2 | |
| Veyroniq | You either know, XOR you don't | 30 | |
| 1337ibn3bdullah | Finding Flags | 2 | |
| thocyber | XOR Starter | 10 | |
| HnnT | Modular Binomials | 80 | |
| HnnT | Adrien's Signs | 80 | |
| D4rk_m0de | Great Snakes | 3 | |
| HnnT | Chinese Remainder Theorem | 40 | |
| HnnT | Modular Square Root | 35 | |
| D4rk_m0de | Finding Flags | 2 | |
| HnnT | Legendre Symbol | 35 | |
| HnnT | Quadratic Residues | 25 | |
| R1valdi | Public Keys | 15 | |
| HnnT | Modular Inverting | 25 | |
| kel_therubious | Finding Flags | 2 | |
| ShreyaTrivedi | ASCII | 5 | |
| chaidog2020 | Bytes and Big Integers | 10 | |
| HnnT | Modular Arithmetic 2 | 20 | |
| OSCAKIP | ZKP Introduction | 5 | |
| HnnT | Modular Arithmetic 1 | 20 | |
| HnnT | Extended GCD | 20 | |
| Alondra | Bean Counter | 60 | |
| HnnT | Greatest Common Divisor | 15 | |
| HnnT | You either know, XOR you don't | 30 | |
| HnnT | Favourite byte | 20 | |
| Duman | You either know, XOR you don't | 30 | |
| HnnT | XOR Properties | 15 | |
| HnnT | XOR Starter | 10 | |
| Duman | Favourite byte | 20 | |
| HnnT | Bytes and Big Integers | 10 | |
| Duman | XOR Properties | 15 | |
| HnnT | Base64 | 10 | |
| Duman | XOR Starter | 10 | |
| HnnT | Hex | 5 | |
| Duman | Bytes and Big Integers | 10 | |
| HnnT | ASCII | 5 | |
| Alondra | Symmetry | 50 | |
| Duman | Base64 | 10 | |
| ava_daria | Finding Flags | 2 | |
| HnnT | Great Snakes | 3 | |
| Duman | Hex | 5 | |
| Duman | ASCII | 5 | |
| Miguel_ACN29 | Smooth Criminal | 60 | |
| Duman | Great Snakes | 3 | |
| Miguel_ACN29 | Montgomery's Ladder | 40 | |
| uzukhai | Modulus Inutilis | 50 | |
| Miguel_ACN29 | Efficient Exchange | 50 |
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