| Date | User | Challenge | Score |
| fjukh7872 | Invariant | 250 | |
| priyanga | Great Snakes | 3 | |
| priyanga | Finding Flags | 2 | |
| bokthefish | RSA Decryption | 20 | |
| CastorJr | Passwords as Keys | 50 | |
| belajarr | Great Snakes | 3 | |
| tbr103 | Modular Binomials | 80 | |
| belajarr | Finding Flags | 2 | |
| CastorJr | Transparency | 50 | |
| Cheeb13 | Modular Inverting | 25 | |
| kaizero | Modular Inverting | 25 | |
| CastorJr | SSH Keys | 35 | |
| CastorJr | CERTainly not | 30 | |
| CastorJr | Privacy-Enhanced Mail? | 25 | |
| tbr103 | Adrien's Signs | 80 | |
| CastorJr | Lemur XOR | 40 | |
| d3v_k1r4 | Legendre Symbol | 35 | |
| liangmeigang | Efficient Exchange | 50 | |
| CastorJr | Encoding Challenge | 40 | |
| xccnnaino | Efficient Exchange | 50 | |
| dylanmooneymusic | Bytes and Big Integers | 10 | |
| j_m | Modular Binomials | 80 | |
| python_error404 | Greatest Common Divisor | 15 | |
| xccnnaino | Curves and Logs | 40 | |
| dylanmooneymusic | Base64 | 10 | |
| sean_summer | Extended GCD | 20 | |
| dylanmooneymusic | Hex | 5 | |
| xccnnaino | Scalar Multiplication | 35 | |
| xccnnaino | Point Addition | 30 | |
| xccnnaino | Point Negation | 10 | |
| CastorJr | Network Attacks | 5 | |
| dylanmooneymusic | ASCII | 5 | |
| xccnnaino | Background Reading | 5 | |
| dylanmooneymusic | Great Snakes | 3 | |
| liangmeigang | Curves and Logs | 40 | |
| iamzing | Greatest Common Divisor | 15 | |
| j_m | Transparency | 50 | |
| liangmeigang | Scalar Multiplication | 35 | |
| miaomiao666 | Marin's Secrets | 50 | |
| j_m | Adrien's Signs | 80 | |
| syadidd | Diffusion through Permutation | 30 | |
| liangmeigang | Point Addition | 30 | |
| liangmeigang | Point Negation | 10 | |
| liangmeigang | Background Reading | 5 | |
| ZiggyNorton | Legendre Symbol | 35 | |
| dylanmooneymusic | Finding Flags | 2 | |
| weemx | Greatest Common Divisor | 15 | |
| Jbrewzy28 | Modular Inverting | 25 | |
| d3v_k1r4 | Quadratic Residues | 25 | |
| Jbrewzy28 | Modular Arithmetic 2 | 20 |
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