| Date | User | Challenge | Score |
| antony1950 | Hex | 5 | |
| Aviansh | Base64 | 10 | |
| Aviansh | Hex | 5 | |
| acorrege | Modes of Operation Starter | 15 | |
| Aviansh | ASCII | 5 | |
| m2yo | Finding Flags | 2 | |
| Aviansh | Great Snakes | 3 | |
| levi0 | ASCII | 5 | |
| Aviansh | Finding Flags | 2 | |
| ArnoD09 | ASCII | 5 | |
| jeremyouille | Scalar Multiplication | 35 | |
| jeremyouille | Point Addition | 30 | |
| MT42 | Round Keys | 20 | |
| Wiktoria35 | Great Snakes | 3 | |
| Ic3m4n668 | ASCII | 5 | |
| Abhi989 | Favourite byte | 20 | |
| jeremyouille | Point Negation | 10 | |
| Wiktoria35 | Finding Flags | 2 | |
| yaaaaaaaaaaaaaah | Great Snakes | 3 | |
| jeremyouille | Background Reading | 5 | |
| Bhargavi_13 | Modular Binomials | 80 | |
| Bhargavi_13 | Adrien's Signs | 80 | |
| Bhargavi_13 | Chinese Remainder Theorem | 40 | |
| SMTM | Dancing Queen | 120 | |
| Bhargavi_13 | Modular Square Root | 35 | |
| jeremyouille | You either know, XOR you don't | 30 | |
| antony1950 | ASCII | 5 | |
| R3 | Favourite byte | 20 | |
| Ishant | Bytes and Big Integers | 10 | |
| Bhargavi_13 | Legendre Symbol | 35 | |
| SpilledBeans | ZKP Introduction | 5 | |
| MT42 | Structure of AES | 15 | |
| Bhargavi_13 | Modular Inverting | 25 | |
| DarioIX | Bytes and Big Integers | 10 | |
| Bhargavi_13 | Modular Arithmetic 2 | 20 | |
| Bhargavi_13 | Modular Arithmetic 1 | 20 | |
| Bhargavi_13 | Extended GCD | 20 | |
| DarioIX | Base64 | 10 | |
| Bhargavi_13 | Greatest Common Divisor | 15 | |
| jeremyouille | Favourite byte | 20 | |
| jeremyouille | XOR Properties | 15 | |
| Whanos | Quadratic Residues | 25 | |
| jeremyouille | XOR Starter | 10 | |
| DarioIX | Hex | 5 | |
| levi0 | Great Snakes | 3 | |
| Azeeee | Encoding Challenge | 40 | |
| Loki_Dnair | Base64 | 10 | |
| davidps | Great Snakes | 3 | |
| Cameron | Modular Inverting | 25 | |
| ArnoD09 | Great Snakes | 3 |
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