| Date | User | Challenge | Score |
| kerul | Greatest Common Divisor | 15 | |
| r1k | XOR Properties | 15 | |
| BlueBandit | ASCII | 5 | |
| phat1911 | Curveball | 100 | |
| Nithi | Modular Arithmetic 2 | 20 | |
| r1k | XOR Starter | 10 | |
| r1k | Bytes and Big Integers | 10 | |
| Nithi | Modular Inverting | 25 | |
| miaomiao666 | RSA Signatures | 25 | |
| r1k | Base64 | 10 | |
| r1k | Hex | 5 | |
| miaomiao666 | RSA Decryption | 20 | |
| r1k | ASCII | 5 | |
| Hexerei | JWT Secrets | 25 | |
| r1k | Great Snakes | 3 | |
| wawira | Modular Binomials | 80 | |
| miaomiao666 | Private Keys | 20 | |
| miaomiao666 | Euler's Totient | 20 | |
| wawira | Adrien's Signs | 80 | |
| luwofi | Chinese Remainder Theorem | 40 | |
| miaomiao666 | Public Keys | 15 | |
| wawira | Chinese Remainder Theorem | 40 | |
| wawira | Modular Square Root | 35 | |
| miaomiao666 | Modular Exponentiation | 10 | |
| wawira | Legendre Symbol | 35 | |
| P3ekaboo | Passwords as Keys | 50 | |
| luwofi | Modular Square Root | 35 | |
| watunyu_h | Modulus Inutilis | 50 | |
| tshan | Hex | 5 | |
| Moyler | Base64 | 10 | |
| tshan | ASCII | 5 | |
| Nithi | Modular Arithmetic 1 | 20 | |
| tshan | Great Snakes | 3 | |
| tshan | Finding Flags | 2 | |
| nightmete | Great Snakes | 3 | |
| Moyler | Hex | 5 | |
| Nithi | Extended GCD | 20 | |
| nightmete | Finding Flags | 2 | |
| ZarDonat | Bytes and Big Integers | 10 | |
| ZarDonat | Base64 | 10 | |
| DonAsako | Hash Stuffing | 50 | |
| Moyler | ASCII | 5 | |
| ZarDonat | Hex | 5 | |
| Hexerei | No Way JOSE | 20 | |
| Nithi | Greatest Common Divisor | 15 | |
| lydxn | Meet me in the Claw | 120 | |
| Freakk | Modular Binomials | 80 | |
| ZarDonat | ASCII | 5 | |
| Nithi | Great Snakes | 3 | |
| hakka52 | Megalomaniac 1 | 100 |
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