| Date | User | Challenge | Score |
| Thalji | ASCII | 5 | |
| liendaidx | Chinese Remainder Theorem | 40 | |
| Relearning_again | You either know, XOR you don't | 30 | |
| Thalji | Network Attacks | 5 | |
| liendaidx | Modular Square Root | 35 | |
| THEMIScale | ASCII | 5 | |
| zph | Deriving Symmetric Keys | 40 | |
| Honoured_One | Extended GCD | 20 | |
| 525290_123 | Bytes and Big Integers | 10 | |
| RotaJakiro | Salty | 20 | |
| zph | Computing Shared Secrets | 30 | |
| amingg | Modular Inverting | 25 | |
| zph | Manyprime | 40 | |
| THEMIScale | Great Snakes | 3 | |
| RotaJakiro | Manyprime | 40 | |
| amingg | Modular Arithmetic 2 | 20 | |
| 525290_123 | Base64 | 10 | |
| erickao | Quadratic Residues | 25 | |
| Honoured_One | Greatest Common Divisor | 15 | |
| Relearning_again | Favourite byte | 20 | |
| nao_sei | Base64 | 10 | |
| yr81 | The Matrix | 75 | |
| THEMIScale | Finding Flags | 2 | |
| CharmingMan | Modular Square Root | 35 | |
| amingg | Modular Arithmetic 1 | 20 | |
| nao_sei | Hex | 5 | |
| amingg | Extended GCD | 20 | |
| nao_sei | ASCII | 5 | |
| quangntenemy | Abelian SIDH | 90 | |
| ahmedouk | Lazy CBC | 60 | |
| nao_sei | Great Snakes | 3 | |
| 525290_123 | Hex | 5 | |
| Relearning_again | XOR Properties | 15 | |
| nao_sei | Finding Flags | 2 | |
| desiar76 | Passwords as Keys | 50 | |
| 525290_123 | ASCII | 5 | |
| Relearning_again | XOR Starter | 10 | |
| AlessiaPerez23 | Finding Flags | 2 | |
| amingg | Greatest Common Divisor | 15 | |
| RotaJakiro | Monoprime | 30 | |
| Pijushm | Hex | 5 | |
| 525290_123 | Great Snakes | 3 | |
| IOSA | Background Reading | 5 | |
| IOSA | Computing Public Values | 25 | |
| TooSmart | Greatest Common Divisor | 15 | |
| erickao | Modular Inverting | 25 | |
| Thalji | Great Snakes | 3 | |
| IOSA | Working with Fields | 10 | |
| 525290_123 | Finding Flags | 2 | |
| commandos | Breaking SIDH | 250 |
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