| Date | User | Challenge | Score |
| sweapl | Favourite byte | 20 | |
| MAROUANE1818 | You either know, XOR you don't | 30 | |
| avm | Montgomery Curves | 30 | |
| TheDara | Greatest Common Divisor | 15 | |
| aksamautu55 | Bytes and Big Integers | 10 | |
| sweapl | XOR Properties | 15 | |
| avm | Image Point Arithmetic | 30 | |
| avm | Where's the Supersingular Curve | 25 | |
| hakka52 | Background Reading | 5 | |
| Next0202 | Favourite byte | 20 | |
| avm | The j-invariant | 20 | |
| avm | Introduction to Isogenies | 10 | |
| 0xa6k | Adrien's Signs | 80 | |
| sweapl | XOR Starter | 10 | |
| blackrose007 | XOR Properties | 15 | |
| blackrose007 | XOR Starter | 10 | |
| Kronx12 | Quadratic Residues | 25 | |
| Morticiaxx | Great Snakes | 3 | |
| Morticiaxx | Finding Flags | 2 | |
| SQuidled | OR Proof (CryptoHack) | 0 | |
| x9600h | Structure of AES | 15 | |
| sweapl | Bytes and Big Integers | 10 | |
| katia | Hex | 5 | |
| codybottest | Finding Flags | 2 | |
| x9600h | Resisting Bruteforce | 10 | |
| TwoONEsiX | Cofactor Cofantasy | 150 | |
| x9600h | Keyed Permutations | 5 | |
| natashi | Greatest Common Divisor | 15 | |
| katia | ASCII | 5 | |
| bqeofen61v | ASCII | 5 | |
| dloop | Flipping Cookie | 60 | |
| bqeofen61v | Great Snakes | 3 | |
| othmanemessaoud | Greatest Common Divisor | 15 | |
| katia | Great Snakes | 3 | |
| loulou31 | Modular Square Root | 35 | |
| loulou31 | Legendre Symbol | 35 | |
| sweapl | Base64 | 10 | |
| loulou31 | Quadratic Residues | 25 | |
| mgao123 | Great Snakes | 3 | |
| katia | Finding Flags | 2 | |
| loulou31 | Modular Inverting | 25 | |
| natashi | You either know, XOR you don't | 30 | |
| loulou31 | Modular Arithmetic 2 | 20 | |
| sweapl | Hex | 5 | |
| loulou31 | Encoding Challenge | 40 | |
| sweapl | ASCII | 5 | |
| sweapl | Great Snakes | 3 | |
| sweapl | Finding Flags | 2 | |
| Bionic_Hacker | Base64 | 10 | |
| Bionic_Hacker | Hex | 5 |
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