| Date | User | Challenge | Score |
| 0xM4t | Finding Flags | 2 | |
| RobinYardik | Finding Flags | 2 | |
| Stefanie42 | Finding Flags | 2 | |
| 4kT | Finding Flags | 2 | |
| DetestoDocker | SSH Keys | 35 | |
| AbyssalAnt | Bytes and Big Integers | 10 | |
| Mleviz | Quadratic Residues | 25 | |
| QWXXHSX123 | Diffusion through Permutation | 30 | |
| DetestoDocker | CERTainly not | 30 | |
| AbyssalAnt | Base64 | 10 | |
| AbyssalAnt | Hex | 5 | |
| AbyssalAnt | ASCII | 5 | |
| Rapido307 | XOR Starter | 10 | |
| maxkonrad | XOR Starter | 10 | |
| AbyssalAnt | Great Snakes | 3 | |
| Rapido307 | Bytes and Big Integers | 10 | |
| nirvanaK456 | Gram Schmidt | 30 | |
| Rapido307 | Base64 | 10 | |
| Blow | Size and Basis | 15 | |
| maxkonrad | Bytes and Big Integers | 10 | |
| Blow | Vectors | 10 | |
| Rapido307 | Hex | 5 | |
| 0xParanoia | XOR Starter | 10 | |
| Rapido307 | ASCII | 5 | |
| snagwag | ASCII | 5 | |
| slaylive | You either know, XOR you don't | 30 | |
| Angel4682 | Finding Flags | 2 | |
| David_1789J | Finding Flags | 2 | |
| AnastaciaMuya | Modular Arithmetic 1 | 20 | |
| AnastaciaMuya | Extended GCD | 20 | |
| 0xParanoia | Bytes and Big Integers | 10 | |
| 0xParanoia | Base64 | 10 | |
| schoin | Lemur XOR | 40 | |
| hobione | Greatest Common Divisor | 15 | |
| schoin | Encoding Challenge | 40 | |
| NioZow | From Private to Public Key LWE | 25 | |
| calcal | Encoding Challenge | 40 | |
| nirvanaK456 | Size and Basis | 15 | |
| schoin | Network Attacks | 5 | |
| schoin | Modular Binomials | 80 | |
| IchabodeCrane | XOR Properties | 15 | |
| AnastaciaMuya | Greatest Common Divisor | 15 | |
| vanMjnh | Pairing-Based Cryptography | 50 | |
| slaylive | Favourite byte | 20 | |
| NioZow | LWE Low Bits Message | 20 | |
| aayshush | Base64 | 10 | |
| zahrafath | Base64 | 10 | |
| jennastic0_0 | Confusion through Substitution | 25 | |
| NioZow | LWE High Bits Message | 15 | |
| jmbote | Modular Binomials | 80 |
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