| Date | User | Challenge | Score |
| RPKBasilisk | A Twisted Mind | 80 | |
| Mulama | Structure of AES | 15 | |
| Kilimanjaro | Finding Flags | 2 | |
| yoshaw | ASCII | 5 | |
| aboyreau | Hex | 5 | |
| RPKBasilisk | From Private to Public Key LWE | 25 | |
| RPKBasilisk | LWE Low Bits Message | 20 | |
| RPKBasilisk | LWE High Bits Message | 15 | |
| RPKBasilisk | LWE Intro | 10 | |
| RPKBasilisk | LWE Background | 5 | |
| Fortune | Bytes and Big Integers | 10 | |
| Mulama | Resisting Bruteforce | 10 | |
| Barney | Bytes and Big Integers | 10 | |
| RPKBasilisk | Hamiltonicity 1 | 100 | |
| otmorozok_ebany | Finding Flags | 2 | |
| KowalskiVan | ProSign 3 | 100 | |
| otmorozok_ebany | Great Snakes | 3 | |
| yoshaw | Great Snakes | 3 | |
| RPKBasilisk | Mister Saplin's Preview | 80 | |
| RPKBasilisk | Find the Lattice | 100 | |
| aboyreau | ASCII | 5 | |
| Jeremial | Great Snakes | 3 | |
| r3mmi_y | Quadratic Residues | 25 | |
| aboyreau | Great Snakes | 3 | |
| RPKBasilisk | Gaussian Reduction | 50 | |
| RPKBasilisk | Elliptic Nodes | 150 | |
| Fortune | Base64 | 10 | |
| RPKBasilisk | What's a Lattice? | 40 | |
| jennasaan | Greatest Common Divisor | 15 | |
| RPKBasilisk | Gram Schmidt | 30 | |
| RPKBasilisk | Size and Basis | 15 | |
| RPKBasilisk | Vectors | 10 | |
| PabloAlda | Chinese Remainder Theorem | 40 | |
| Barney | Base64 | 10 | |
| Fortune | Hex | 5 | |
| KowalskiVan | Ron was Wrong, Whit is Right | 90 | |
| mk12 | Point Negation | 10 | |
| Fortune | ASCII | 5 | |
| Egor081205 | Finding Flags | 2 | |
| galchapman | Backpack Cryptography | 120 | |
| Barney | Hex | 5 | |
| Fiemoh | You either know, XOR you don't | 30 | |
| s5k6y7 | Base64 | 10 | |
| onengii2012_ | ASCII | 5 | |
| Fortune | Great Snakes | 3 | |
| RPKBasilisk | OR Proof | 75 | |
| Fiemoh | Favourite byte | 20 | |
| vocie | ECB Oracle | 60 | |
| kingdom | XOR Starter | 10 | |
| Barney | ASCII | 5 |
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