| Date | User | Challenge | Score |
| WsphereX | You either know, XOR you don't | 30 | |
| Namunamu | Gaussian Reduction | 50 | |
| Pompo | XOR Properties | 15 | |
| pc417 | Background Reading | 5 | |
| airduck | Keyed Permutations | 5 | |
| DangKhoaVox | Modular Inverting | 25 | |
| WsphereX | Favourite byte | 20 | |
| WsphereX | XOR Properties | 15 | |
| zhacutis1tg | Quadratic Residues | 25 | |
| WsphereX | XOR Starter | 10 | |
| QuachCuong | Oh SNAP | 120 | |
| WsphereX | Bytes and Big Integers | 10 | |
| crystaljade | Modulus Inutilis | 50 | |
| WsphereX | Base64 | 10 | |
| DangKhoaVox | Modular Arithmetic 2 | 20 | |
| TheKY | Modular Arithmetic 1 | 20 | |
| Namunamu | What's a Lattice? | 40 | |
| ShubaDuck | RSA Backdoor Viability | 175 | |
| DangKhoaVox | Modular Arithmetic 1 | 20 | |
| WsphereX | Hex | 5 | |
| WsphereX | ASCII | 5 | |
| Kie | Crossed Wires | 100 | |
| WsphereX | Network Attacks | 5 | |
| WsphereX | Finding Flags | 2 | |
| allowu | Factoring | 15 | |
| Kie | Modulus Inutilis | 50 | |
| WsphereX | Great Snakes | 3 | |
| Kie | Manyprime | 40 | |
| DangKhoaVox | Extended GCD | 20 | |
| avm | SIDH Key Exchange | 80 | |
| torch | Greatest Common Divisor | 15 | |
| W0lf_19S | Extended GCD | 20 | |
| TheKY | Extended GCD | 20 | |
| Kie | Public Keys | 15 | |
| DangKhoaVox | Greatest Common Divisor | 15 | |
| crystaljade | Salty | 20 | |
| DavidTruong | Fast Primes | 75 | |
| radare | d-phi-enc (HackTM CTF) | 0 | |
| torch | You either know, XOR you don't | 30 | |
| W0lf_19S | Greatest Common Divisor | 15 | |
| givemeyourname | Chinese Remainder Theorem | 40 | |
| allowu | RSA Signatures | 25 | |
| 0xd3adbe3f | Crossed Wires | 100 | |
| crystaljade | Manyprime | 40 | |
| Neutr0nys | Static Client 2 | 120 | |
| DangKhoaVox | Bytes and Big Integers | 10 | |
| crystaljade | Monoprime | 30 | |
| ledgeviews35 | Modular Arithmetic 2 | 20 | |
| ledgeviews35 | Modular Arithmetic 1 | 20 | |
| ledgeviews35 | Extended GCD | 20 |
You are now level Current level