| Date | User | Challenge | Score |
| Daniel21231 | ASCII | 5 | |
| mcarrow | Adrien's Signs | 80 | |
| pppooi | Base64 | 10 | |
| Hurtful9 | You either know, XOR you don't | 30 | |
| chy12138 | Quadratic Residues | 25 | |
| kulot | Finding Flags | 2 | |
| mirago364 | You either know, XOR you don't | 30 | |
| pppooi | Hex | 5 | |
| filip_24 | RSA Decryption | 20 | |
| pppooi | ASCII | 5 | |
| pppooi | Network Attacks | 5 | |
| asd123 | Curves and Logs | 40 | |
| bashu | XOR Starter | 10 | |
| jumbo | Great Snakes | 3 | |
| pppooi | Great Snakes | 3 | |
| filip_24 | Private Keys | 20 | |
| dronningMargreth | Non-Interactive | 35 | |
| pppooi | Finding Flags | 2 | |
| PRINCEAXI | Base64 | 10 | |
| caracallll | Base64 | 10 | |
| Wiktoria35 | Quadratic Residues | 25 | |
| PRINCEAXI | Hex | 5 | |
| jumbo | Finding Flags | 2 | |
| PRINCEAXI | ASCII | 5 | |
| mcarrow | Chinese Remainder Theorem | 40 | |
| flover | XOR Starter | 10 | |
| caracallll | Hex | 5 | |
| Daniel21231 | Great Snakes | 3 | |
| filip_24 | Public Keys | 15 | |
| Kuruwa | Common Ground | 75 | |
| PRINCEAXI | Network Attacks | 5 | |
| Daniel21231 | Finding Flags | 2 | |
| asd123 | Scalar Multiplication | 35 | |
| mirago364 | Favourite byte | 20 | |
| Hurtful9 | Favourite byte | 20 | |
| mcarrow | Modular Square Root | 35 | |
| Smoggy | Diffusion through Permutation | 30 | |
| asd123 | Point Addition | 30 | |
| 1rii60 | XOR Starter | 10 | |
| caracallll | ASCII | 5 | |
| Percolate | RSA Decryption | 20 | |
| mirago364 | XOR Properties | 15 | |
| Hurtful9 | XOR Properties | 15 | |
| mcarrow | Legendre Symbol | 35 | |
| zmenger | XOR Starter | 10 | |
| PRINCEAXI | Great Snakes | 3 | |
| mariodamas10 | Finding Flags | 2 | |
| mirago364 | XOR Starter | 10 | |
| bashu | Bytes and Big Integers | 10 | |
| Hurtful9 | XOR Starter | 10 |
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