| Date | User | Challenge | Score |
| trashcan08 | Montgomery's Ladder | 40 | |
| Asklo | Keyed Permutations | 5 | |
| Asklo | Modular Binomials | 80 | |
| ahmedm3laa | You either know, XOR you don't | 30 | |
| GeorgeSor | Favourite byte | 20 | |
| Fa1zher | Finding Flags | 2 | |
| GeorgeSor | XOR Properties | 15 | |
| currywurstsalat7 | XOR Starter | 10 | |
| ZemonZE | Base64 | 10 | |
| WarSpore | Oracular Spectacular | 150 | |
| ZemonZE | Hex | 5 | |
| fr1x3r | Euler's Totient | 20 | |
| GeorgeSor | XOR Starter | 10 | |
| ZemonZE | ASCII | 5 | |
| ZemonZE | Great Snakes | 3 | |
| Asklo | Adrien's Signs | 80 | |
| currywurstsalat7 | Bytes and Big Integers | 10 | |
| lcalvie | Round Keys | 20 | |
| ZemonZE | Finding Flags | 2 | |
| GeorgeSor | Bytes and Big Integers | 10 | |
| navin79 | XOR Properties | 15 | |
| phisher | Network Attacks | 5 | |
| phisher | Legendre Symbol | 35 | |
| GeorgeSor | Base64 | 10 | |
| Lainon | Finding Flags | 2 | |
| GeorgeSor | Hex | 5 | |
| ahmedm3laa | Favourite byte | 20 | |
| GeorgeSor | ASCII | 5 | |
| GeorgeSor | Great Snakes | 3 | |
| GeorgeSor | Finding Flags | 2 | |
| OmerSecure | XOR Starter | 10 | |
| AESpider | MDFlag | 125 | |
| phisher | Quadratic Residues | 25 | |
| dlesk | Ron was Wrong, Whit is Right | 90 | |
| tymbaca | Resisting Bruteforce | 10 | |
| tymbaca | Keyed Permutations | 5 | |
| creep3r | Great Snakes | 3 | |
| bberamericx | XOR Starter | 10 | |
| glonk | RSA Decryption | 20 | |
| Keks0 | Bean Counter | 60 | |
| TechnoFile711 | Legendre Symbol | 35 | |
| creep3r | Finding Flags | 2 | |
| bberamericx | Bytes and Big Integers | 10 | |
| miksquared | JSON in JSON | 40 | |
| bberamericx | Hex | 5 | |
| glonk | Private Keys | 20 | |
| glonk | Euler's Totient | 20 | |
| phisher | Modular Inverting | 25 | |
| Keks0 | Symmetry | 50 | |
| bberamericx | ASCII | 5 |
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