| Date | User | Challenge | Score |
| kallenosf | Greatest Common Divisor | 15 | |
| z0mb13L0v3r | RSA Decryption | 20 | |
| Voxa | Scalar Multiplication | 35 | |
| Xelder | Adrien's Signs | 80 | |
| chocopoco | Private Keys | 20 | |
| demr | Gram Schmidt | 30 | |
| waterMelonakdsfk | Modular Arithmetic 1 | 20 | |
| kwstas486 | RSA Decryption | 20 | |
| midiguanmu | XOR Starter | 10 | |
| ariba | Lo-Hi Card Game | 120 | |
| chocopoco | Euler's Totient | 20 | |
| z0mb13L0v3r | Private Keys | 20 | |
| 8 | Finding Flags | 2 | |
| chocopoco | Public Keys | 15 | |
| remtam | Base64 | 10 | |
| nullbyte0x00 | Resisting Bruteforce | 10 | |
| shown | Finding Flags | 2 | |
| kallenosf | Network Attacks | 5 | |
| Voxa | Point Addition | 30 | |
| z0mb13L0v3r | Euler's Totient | 20 | |
| kallenosf | You either know, XOR you don't | 30 | |
| desertsailor | Modular Exponentiation | 10 | |
| chocopoco | Modular Exponentiation | 10 | |
| rafa1301 | Modular Exponentiation | 10 | |
| ajgc1 | Modular Arithmetic 1 | 20 | |
| Car0l | Base64 | 10 | |
| MariusAKM | Modular Inverting | 25 | |
| kallenosf | Favourite byte | 20 | |
| shenfa | Greatest Common Divisor | 15 | |
| desertsailor | Extended GCD | 20 | |
| nullbyte0x00 | Keyed Permutations | 5 | |
| z0mb13L0v3r | Public Keys | 15 | |
| Morten | RSA Decryption | 20 | |
| chocopoco | Modular Inverting | 25 | |
| midiguanmu | Bytes and Big Integers | 10 | |
| kallenosf | XOR Properties | 15 | |
| DadiSpadi | Modular Exponentiation | 10 | |
| ajgc1 | Greatest Common Divisor | 15 | |
| pepitolospalotes | RSA Decryption | 20 | |
| kwstas486 | Private Keys | 20 | |
| Morten | Private Keys | 20 | |
| desertsailor | Modular Inverting | 25 | |
| asger084 | Private Keys | 20 | |
| pepitolospalotes | Private Keys | 20 | |
| Angelos27 | Modular Inverting | 25 | |
| rafa1301 | Modular Inverting | 25 | |
| Morten | Euler's Totient | 20 | |
| pepitolospalotes | Euler's Totient | 20 | |
| kallenosf | XOR Starter | 10 | |
| DadiSpadi | Modular Inverting | 25 |
You are now level Current level