| Date | User | Challenge | Score |
| gui_zi_rui520 | Finding Flags | 2 | |
| Thundero8 | XOR Properties | 15 | |
| Angelz | You either know, XOR you don't | 30 | |
| noj | Base64 | 10 | |
| Angelz | Favourite byte | 20 | |
| psymelissa | Hex | 5 | |
| Shao | Modular Binomials | 80 | |
| pilrymage | Diffusion through Permutation | 30 | |
| Angelz | XOR Properties | 15 | |
| Angelz | XOR Starter | 10 | |
| endra | Base64 | 10 | |
| dada31735 | Base64 | 10 | |
| endra | Hex | 5 | |
| iker11 | You either know, XOR you don't | 30 | |
| iker11 | Favourite byte | 20 | |
| dada31735 | Hex | 5 | |
| tiramisaks | The Matrix Revolutions | 125 | |
| endra | ASCII | 5 | |
| tiramisaks | The Matrix Reloaded | 100 | |
| tiramisaks | Additive | 70 | |
| tiramisaks | The Matrix | 75 | |
| Quoc130370 | No Way Back Home | 100 | |
| tiramisaks | Static Client | 100 | |
| dada31735 | ASCII | 5 | |
| tiramisaks | Script Kiddie | 70 | |
| dada31735 | Great Snakes | 3 | |
| iker11 | XOR Properties | 15 | |
| tiramisaks | Parameter Injection | 60 | |
| knd | Bytes and Big Integers | 10 | |
| tiramisaks | Deriving Symmetric Keys | 40 | |
| Thundero8 | XOR Starter | 10 | |
| Krishnamandloi | You either know, XOR you don't | 30 | |
| tiramisaks | Computing Shared Secrets | 30 | |
| tiramisaks | Computing Public Values | 25 | |
| tiramisaks | Generators of Groups | 20 | |
| dada31735 | Finding Flags | 2 | |
| tiramisaks | Working with Fields | 10 | |
| tiramisaks | Bespoke Padding | 100 | |
| tiramisaks | Let's Decrypt Again | 175 | |
| Krishnamandloi | Favourite byte | 20 | |
| tiramisaks | Vote for Pedro | 150 | |
| tiramisaks | Blinding Light | 120 | |
| knd | Base64 | 10 | |
| tiramisaks | Let's Decrypt | 80 | |
| noj | Hex | 5 | |
| tiramisaks | Signing Server | 60 | |
| psymelissa | ASCII | 5 | |
| tiramisaks | Null or Never | 100 | |
| tiramisaks | RSA Backdoor Viability | 175 | |
| Krishnamandloi | XOR Properties | 15 |
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