| Date | User | Challenge | Score |
| Valean | Hex | 5 | |
| merinsr21 | Lazy CBC | 60 | |
| Valean | ASCII | 5 | |
| hakka52 | Hash Stuffing | 50 | |
| Valean | Great Snakes | 3 | |
| Valean | Finding Flags | 2 | |
| SurfDuck | Base64 | 10 | |
| purpleduck | Base64 | 10 | |
| purpleduck | Hex | 5 | |
| SurfDuck | Hex | 5 | |
| purpleduck | ASCII | 5 | |
| FloatingSeaOtter | You either know, XOR you don't | 30 | |
| SurfDuck | ASCII | 5 | |
| FloatingSeaOtter | Favourite byte | 20 | |
| purpleduck | Great Snakes | 3 | |
| SurfDuck | Great Snakes | 3 | |
| SurfDuck | Finding Flags | 2 | |
| purpleduck | Finding Flags | 2 | |
| Toadytop | Fischlin Transform | 180 | |
| Toadytop | Fischlin's Transformation (CryptoHack) | 0 | |
| Myronarty_ | Modular Binomials | 80 | |
| Doge | XOR Starter | 10 | |
| Qu1n7as | Curveball | 100 | |
| Marozoi443 | Finding Flags | 2 | |
| Vallrack | Hex | 5 | |
| Vallrack | ASCII | 5 | |
| Qu1n7as | Digestive | 60 | |
| Vallrack | Great Snakes | 3 | |
| Janooski | MD0 | 80 | |
| Vallrack | Finding Flags | 2 | |
| lucy54 | Parameter Injection | 60 | |
| Qu1n7as | Real Curve Crypto | 200 | |
| nous | Unbalanced (ICC Athens) | 0 | |
| 0xhassan_ash | Modular Binomials | 80 | |
| nous | Sharks on the Wire | 10 | |
| nous | Unimplemented (TETCTF) | 0 | |
| nous | 1337crypt (DownUnderCTF) | 0 | |
| ElChupis | Bytes and Big Integers | 10 | |
| DBFTBS | XOR Properties | 15 | |
| 0xhassan_ash | Adrien's Signs | 80 | |
| Adidans | ASCII | 5 | |
| Adidans | Great Snakes | 3 | |
| DBFTBS | XOR Starter | 10 | |
| Adidans | Finding Flags | 2 | |
| DBFTBS | Bytes and Big Integers | 10 | |
| DBFTBS | Base64 | 10 | |
| Def4ult | Keyed Permutations | 5 | |
| DBFTBS | Hex | 5 | |
| seheesf88 | Great Snakes | 3 | |
| yr81 | Prime and Prejudice | 200 |
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