| Date | User | Challenge | Score |
| 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 | |
| DangKhoaVox | Hex | 5 | |
| vas_fountas | Privacy-Enhanced Mail? | 25 | |
| avm | Special Isogenies | 30 | |
| torch | Favourite byte | 20 | |
| leodavinci0591 | Modular Square Root | 35 | |
| DangKhoaVox | Base64 | 10 | |
| Pompo | XOR Starter | 10 | |
| leodavinci0591 | Legendre Symbol | 35 | |
| Kolederain | Finding Flags | 2 | |
| esolchaga | Public Keys | 15 | |
| Pompo | Bytes and Big Integers | 10 | |
| vas_fountas | Diffusion through Permutation | 30 | |
| esolchaga | Modular Exponentiation | 10 | |
| vaalemax | You either know, XOR you don't | 30 | |
| vas_fountas | Confusion through Substitution | 25 | |
| 0xd3adbe3f | Everything is Big | 70 | |
| vas_fountas | Round Keys | 20 | |
| vas_fountas | Structure of AES | 15 | |
| vas_fountas | Resisting Bruteforce | 10 | |
| vas_fountas | Keyed Permutations | 5 | |
| vas_fountas | Modular Inverting | 25 | |
| vas_fountas | Modular Arithmetic 2 | 20 | |
| vas_fountas | Modular Arithmetic 1 | 20 | |
| vas_fountas | Extended GCD | 20 | |
| snowman_am2 | Infinite Descent | 50 |
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