| Date | User | Challenge | Score |
| Yoshift | Working with Fields | 10 | |
| Yoshift | Modulus Inutilis | 50 | |
| Yoshift | Salty | 20 | |
| Yoshift | Manyprime | 40 | |
| LevaFes | Smooth Criminal | 60 | |
| LevaFes | Montgomery's Ladder | 40 | |
| LevaFes | Efficient Exchange | 50 | |
| LevaFes | Curves and Logs | 40 | |
| LevaFes | Scalar Multiplication | 35 | |
| LevaFes | Point Addition | 30 | |
| Yoshift | Monoprime | 30 | |
| pdacasis | Great Snakes | 3 | |
| oithi | Bytes and Big Integers | 10 | |
| LevaFes | Point Negation | 10 | |
| LevaFes | Background Reading | 5 | |
| richy | XOR Starter | 10 | |
| Yoshift | Factoring | 15 | |
| trappedintessera | Base64 | 10 | |
| pdacasis | Finding Flags | 2 | |
| katanabeneficial | Chinese Remainder Theorem | 40 | |
| Yoshift | RSA Signatures | 25 | |
| Moonstone6005 | Hex | 5 | |
| zeo | Bytes and Big Integers | 10 | |
| richy | Bytes and Big Integers | 10 | |
| trappedintessera | Hex | 5 | |
| larpro | Great Snakes | 3 | |
| Moonstone6005 | ASCII | 5 | |
| Yoshift | RSA Decryption | 20 | |
| LingLing_at_CH | 1337crypt (DownUnderCTF) | 0 | |
| trappedintessera | ASCII | 5 | |
| ANG | Symmetry | 50 | |
| Yoshift | Private Keys | 20 | |
| zeo | Base64 | 10 | |
| Yoshift | Euler's Totient | 20 | |
| zeo | Hex | 5 | |
| zeo | ASCII | 5 | |
| Yoshift | Public Keys | 15 | |
| Yoshift | Modular Exponentiation | 10 | |
| Urvi | Round Keys | 20 | |
| trappedintessera | Great Snakes | 3 | |
| ANG | ECB CBC WTF | 55 | |
| Urvi | Structure of AES | 15 | |
| trappedintessera | Finding Flags | 2 | |
| ANG | ECB Oracle | 60 | |
| Urvi | Resisting Bruteforce | 10 | |
| ANG | Passwords as Keys | 50 | |
| Urvi | Keyed Permutations | 5 | |
| SISroot | Nothing Up My Sleeve | 150 | |
| tristanpetrovich | Modular Arithmetic 2 | 20 | |
| ANG | Modes of Operation Starter | 15 |
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