| Date | User | Challenge | Score |
| thejashf05 | Base64 | 10 | |
| Sole | Modes of Operation Starter | 15 | |
| Ah_Error | JSON in JSON | 40 | |
| trantho1601 | Chinese Remainder Theorem | 40 | |
| thejashf05 | Hex | 5 | |
| bhanuPathak | Salty | 20 | |
| mjqa02 | Resisting Bruteforce | 10 | |
| thejashf05 | ASCII | 5 | |
| trantho1601 | Modular Square Root | 35 | |
| mjqa02 | Keyed Permutations | 5 | |
| hackerpj12 | Keyed Permutations | 5 | |
| thejashf05 | Great Snakes | 3 | |
| thejashf05 | Finding Flags | 2 | |
| Mateusz_Kowalski | ECB Oracle | 60 | |
| kanhaji | Base64 | 10 | |
| Ichigoat | Hex | 5 | |
| tudaiobratno | Endless Emails | 150 | |
| mjqa02 | Hash Stuffing | 50 | |
| hackerpj12 | Modular Binomials | 80 | |
| kanhaji | Hex | 5 | |
| Ichigoat | ASCII | 5 | |
| kanhaji | ASCII | 5 | |
| meprisant | Greatest Common Divisor | 15 | |
| Ichigoat | Great Snakes | 3 | |
| kanhaji | Great Snakes | 3 | |
| Ichigoat | Finding Flags | 2 | |
| ppoly | Paper Plane | 120 | |
| kanhaji | Finding Flags | 2 | |
| Ah_Error | RSA or HMAC? | 35 | |
| anchi1228 | Salty | 20 | |
| Xai224 | You either know, XOR you don't | 30 | |
| ThikingFrog | Flipping Cookie | 60 | |
| anchi1228 | Manyprime | 40 | |
| Myc | Base64 | 10 | |
| JudahTear | Great Snakes | 3 | |
| francois | Paper Plane | 120 | |
| Xai224 | Favourite byte | 20 | |
| osihlovec | LWE Intro | 10 | |
| YarrowForAlger | RSA Decryption | 20 | |
| nwj5840 | XOR Properties | 15 | |
| mjqa02 | Collider | 50 | |
| Xai224 | XOR Properties | 15 | |
| chadlerbingbong | Flipping Cookie | 60 | |
| Mateusz_Kowalski | ECB CBC WTF | 55 | |
| Myc | Hex | 5 | |
| bhanuPathak | Manyprime | 40 | |
| YarrowForAlger | Private Keys | 20 | |
| Myc | ASCII | 5 | |
| dexter_nate27 | Moving Problems | 150 | |
| VioletEvergardan | CTRIME | 70 |
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