| Date | User | Challenge | Score |
| cryptopter | Great Snakes | 3 | |
| CastorJr | Symmetry | 50 | |
| HeptaZ | Extended GCD | 20 | |
| dangphuc210907 | Hex | 5 | |
| perryplaty | Modular Arithmetic 2 | 20 | |
| sma11pi9 | TLS Handshake | 15 | |
| perryplaty | Modular Arithmetic 1 | 20 | |
| katanabeneficial | ECB CBC WTF | 55 | |
| Farnsy | XOR Starter | 10 | |
| cryptopter | Finding Flags | 2 | |
| nuhe | Modular Inverting | 25 | |
| b1b00www | Marin's Secrets | 50 | |
| perryplaty | Extended GCD | 20 | |
| pentestmonkey | Crossed Wires | 100 | |
| AhmZaee | Great Snakes | 3 | |
| lmlA | Round Keys | 20 | |
| nuhe | Modular Arithmetic 2 | 20 | |
| jaiveersingh | ASCII | 5 | |
| AhmZaee | Finding Flags | 2 | |
| crypto619 | Trust Games | 150 | |
| jaiveersingh | Great Snakes | 3 | |
| nuhe | Modular Arithmetic 1 | 20 | |
| b1b00www | Infinite Descent | 50 | |
| saltedfish99 | Great Snakes | 3 | |
| ahmadnaghibi | Extended GCD | 20 | |
| jaiveersingh | Finding Flags | 2 | |
| jf_x_dev | Bytes and Big Integers | 10 | |
| Dgcg | Stream of Consciousness | 80 | |
| nickder | Extended GCD | 20 | |
| saltedfish99 | Finding Flags | 2 | |
| jf_x_dev | Base64 | 10 | |
| jf_x_dev | Hex | 5 | |
| cyk0sure | SSH Keys | 35 | |
| jf_x_dev | ASCII | 5 | |
| holsviktor | Modular Inverting | 25 | |
| holsviktor | Modular Arithmetic 2 | 20 | |
| 0xs1nr | JSON in JSON | 40 | |
| holsviktor | Modular Arithmetic 1 | 20 | |
| jf_x_dev | Great Snakes | 3 | |
| holsviktor | Extended GCD | 20 | |
| jf_x_dev | Finding Flags | 2 | |
| kkaroly | Stream of Consciousness | 80 | |
| Gidra | Finding Flags | 2 | |
| mentat | Modular Binomials | 80 | |
| cyk0sure | CERTainly not | 30 | |
| holsviktor | Greatest Common Divisor | 15 | |
| python_error404 | Extended GCD | 20 | |
| holsviktor | Lemur XOR | 40 | |
| nickder | Greatest Common Divisor | 15 | |
| KMA_SiriuS_ | Scalar Multiplication | 35 |
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