| Date | User | Challenge | Score |
| ABCSlime | Bespoke Padding | 100 | |
| 0xmhmdnsar | Adrien's Signs | 80 | |
| y73n0k | Bad Temper | 130 | |
| Huzaifa | Bytes and Big Integers | 10 | |
| 0xmhmdnsar | Modular Square Root | 35 | |
| gluecicle | Bean Counter | 60 | |
| bivol | Favourite byte | 20 | |
| Hxghost | Base64 | 10 | |
| 0xmhmdnsar | Legendre Symbol | 35 | |
| sniperspade | Bytes and Big Integers | 10 | |
| LucasVFT | XOR Starter | 10 | |
| sniperspade | Base64 | 10 | |
| LucasVFT | Bytes and Big Integers | 10 | |
| marah_jihad | JSON in JSON | 40 | |
| BlackShimagh | XOR Properties | 15 | |
| nimura00 | Hex | 5 | |
| BlackShimagh | XOR Starter | 10 | |
| pandelgun | ASCII | 5 | |
| y73n0k | Rhetorical Oracle 2 | 150 | |
| UserKM | Export-grade | 100 | |
| UserKM | Parameter Injection | 60 | |
| 0xmhmdnsar | Modular Arithmetic 1 | 20 | |
| nimura00 | ASCII | 5 | |
| Passcode | ASCII | 5 | |
| karthiksiky | Transparency | 50 | |
| UserKM | Deriving Symmetric Keys | 40 | |
| UserKM | Computing Shared Secrets | 30 | |
| UserKM | Computing Public Values | 25 | |
| jstrzelczyk | SSH Keys | 35 | |
| UserKM | Generators of Groups | 20 | |
| 0xmhmdnsar | Extended GCD | 20 | |
| UserKM | Working with Fields | 10 | |
| Chite_Senchula | Base64 | 10 | |
| UserKM | Modulus Inutilis | 50 | |
| UserKM | Salty | 20 | |
| UserKM | Manyprime | 40 | |
| UserKM | Monoprime | 30 | |
| nimura00 | Great Snakes | 3 | |
| fetty_1738 | Finding Flags | 2 | |
| UserKM | Factoring | 15 | |
| Passcode | Great Snakes | 3 | |
| UserKM | RSA Signatures | 25 | |
| UserKM | RSA Decryption | 20 | |
| nimura00 | Finding Flags | 2 | |
| UserKM | Private Keys | 20 | |
| UserKM | Euler's Totient | 20 | |
| UserKM | Public Keys | 15 | |
| UserKM | Modular Exponentiation | 10 | |
| ichthys | Hex | 5 | |
| Passcode | Finding Flags | 2 |
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