| Date | User | Challenge | Score |
| yuliyost | Let's Decrypt Again | 175 | |
| SuPeRPi9 | Square Eyes | 35 | |
| Skyly | Bytes and Big Integers | 10 | |
| kenmarksix | XOR Properties | 15 | |
| Danonek | Modular Inverting | 25 | |
| SuPeRPi9 | Monoprime | 30 | |
| petr | Extended GCD | 20 | |
| SuPeRPi9 | Inferius Prime | 30 | |
| Skyly | Base64 | 10 | |
| kenmarksix | XOR Starter | 10 | |
| Skyly | Hex | 5 | |
| SuPeRPi9 | Factoring | 15 | |
| Danonek | Modular Arithmetic 2 | 20 | |
| Skyly | ASCII | 5 | |
| Nimadli | RSA Signatures | 25 | |
| yuliyost | Vote for Pedro | 150 | |
| rajforlearn83 | Modulus Inutilis | 50 | |
| Skyly | Great Snakes | 3 | |
| avm | Beatboxer | 150 | |
| hallin | XOR Starter | 10 | |
| SuPeRPi9 | RSA Signatures | 25 | |
| yuliyost | Blinding Light | 120 | |
| Skyly | Finding Flags | 2 | |
| fretziebacsal | Greatest Common Divisor | 15 | |
| krypts | You either know, XOR you don't | 30 | |
| Art1shok | Bytes and Big Integers | 10 | |
| SuPeRPi9 | RSA Decryption | 20 | |
| yuliyost | Let's Decrypt | 80 | |
| demr | Sharks on the Wire | 10 | |
| SuPeRPi9 | Private Keys | 20 | |
| SuPeRPi9 | Euler's Totient | 20 | |
| Danonek | Modular Arithmetic 1 | 20 | |
| art33333 | ASCII | 5 | |
| Danonek | Extended GCD | 20 | |
| SuPeRPi9 | Public Keys | 15 | |
| SuPeRPi9 | Modular Exponentiation | 10 | |
| fretziebacsal | Saying Hello | 20 | |
| yuliyost | Null or Never | 100 | |
| AxeliT0 | No Way Back Home | 100 | |
| fretziebacsal | Sharks on the Wire | 10 | |
| Dgcg | Oh SNAP | 120 | |
| Zira | Favourite byte | 20 | |
| SCHROBB | ECB CBC WTF | 55 | |
| AxeliT0 | Broken RSA | 100 | |
| Brissouille | Modulus Inutilis | 50 | |
| Zira | XOR Properties | 15 | |
| eegaa | Great Snakes | 3 | |
| AxeliT0 | Modular Inverting | 25 | |
| AxeliT0 | Modular Arithmetic 2 | 20 | |
| AxeliT0 | Modular Arithmetic 1 | 20 |
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