| Date | User | Challenge | Score |
| TirthBD | Megalomaniac 1 | 100 | |
| Kacperski | No Way Back Home | 100 | |
| fenrosys | Oh SNAP | 120 | |
| Kacperski | Broken RSA | 100 | |
| UltraDuck | JWT Sessions | 10 | |
| UltraDuck | Token Appreciation | 5 | |
| ArComplianc | Hex | 5 | |
| Kacperski | Modular Binomials | 80 | |
| Kacperski | Adrien's Signs | 80 | |
| Kacperski | Common Ground | 75 | |
| Null_Quest | Great Snakes | 3 | |
| Kacperski | Successive Powers | 60 | |
| TirthBD | Curveball | 100 | |
| Assem64 | Successive Powers | 60 | |
| Kacperski | Chinese Remainder Theorem | 40 | |
| TirthBD | Let's Decrypt | 80 | |
| Kacperski | Modular Square Root | 35 | |
| m4s7t3rm1nd | XOR Properties | 15 | |
| Kacperski | Legendre Symbol | 35 | |
| Beethoven3 | Too Many Errors | 100 | |
| chrispbacon | XOR Starter | 10 | |
| Damsssss | Collider | 50 | |
| Kacperski | Quadratic Residues | 25 | |
| ADAROST | XOR Starter | 10 | |
| fenrosys | Dancing Queen | 120 | |
| fenrosys | Stream of Consciousness | 80 | |
| fenrosys | CTRIME | 70 | |
| Shunthail | Cofactor Cofantasy | 150 | |
| deanv | XOR Properties | 15 | |
| ADAROST | Bytes and Big Integers | 10 | |
| hereskellie | Secure Protocols | 5 | |
| Beethoven3 | Missing Modulus | 80 | |
| fenrosys | Bean Counter | 60 | |
| fenrosys | Symmetry | 50 | |
| fenrosys | Triple DES | 60 | |
| x04user | Bytes and Big Integers | 10 | |
| aboujrej | XOR Starter | 10 | |
| fz4z2 | Finding Flags | 2 | |
| ADAROST | Base64 | 10 | |
| aboyreau | Chinese Remainder Theorem | 40 | |
| Musau | Moving Problems | 150 | |
| mdudek | Ellipse Curve Cryptography | 125 | |
| mdudek | Unencryptable | 125 | |
| ajh | Background Reading | 5 | |
| Musau | ProSign 3 | 100 | |
| ajh | Euler's Totient | 20 | |
| ajh | Public Keys | 15 | |
| x04user | Base64 | 10 | |
| aboujrej | Bytes and Big Integers | 10 | |
| fenrosys | Lazy CBC | 60 |
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