| Date | User | Challenge | Score |
| afrdian | Let's Decrypt Again | 175 | |
| lilyjane | ECB Oracle | 60 | |
| arealsquirrel | Gaussian Reduction | 50 | |
| arealsquirrel | What's a Lattice? | 40 | |
| arealsquirrel | Gram Schmidt | 30 | |
| swf210000 | Great Snakes | 3 | |
| kcard4 | ECB CBC WTF | 55 | |
| arealsquirrel | Size and Basis | 15 | |
| avyj7 | Bytes and Big Integers | 10 | |
| arealsquirrel | Vectors | 10 | |
| avyj7 | Base64 | 10 | |
| NOOR_MASOUD | Base64 | 10 | |
| JenseenKai_Yu | You either know, XOR you don't | 30 | |
| avyj7 | Hex | 5 | |
| avyj7 | ASCII | 5 | |
| argantara | Structure of AES | 15 | |
| avyj7 | Great Snakes | 3 | |
| avyj7 | Finding Flags | 2 | |
| NOOR_MASOUD | Hex | 5 | |
| wekito | Mister Saplin's Preview | 80 | |
| afrdian | Vote for Pedro | 150 | |
| NOOR_MASOUD | ASCII | 5 | |
| argantara | Resisting Bruteforce | 10 | |
| argantara | Keyed Permutations | 5 | |
| Northmatrix | Square Eyes | 35 | |
| Dgcg | ECB CBC WTF | 55 | |
| NOOR_MASOUD | Great Snakes | 3 | |
| afrdian | Blinding Light | 120 | |
| Northmatrix | Inferius Prime | 30 | |
| argantara | Bytes and Big Integers | 10 | |
| AESpider | Twisted CSIDH Isogenies | 70 | |
| argantara | Base64 | 10 | |
| nahejbrave | Base64 | 10 | |
| argantara | Hex | 5 | |
| abdessamadnass | XOR Starter | 10 | |
| argantara | ASCII | 5 | |
| remix888 | ASCII | 5 | |
| nahejbrave | Hex | 5 | |
| orly | Great Snakes | 3 | |
| Northmatrix | Deriving Symmetric Keys | 40 | |
| htooakkarlwin | Point Addition | 30 | |
| remix888 | Great Snakes | 3 | |
| remix888 | Finding Flags | 2 | |
| NOOR_MASOUD | Finding Flags | 2 | |
| Northmatrix | Computing Shared Secrets | 30 | |
| nahejbrave | ASCII | 5 | |
| argantara | Great Snakes | 3 | |
| argantara | Finding Flags | 2 | |
| Madarame | Let's Prove It Again | 175 | |
| bechir_x09 | Bespoke Padding | 100 |
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