| Date | User | Challenge | Score |
| DaniyalWajid | ASCII | 5 | |
| qianchuan | Extended GCD | 20 | |
| qianchuan | Greatest Common Divisor | 15 | |
| DaniyalWajid | Great Snakes | 3 | |
| jayram | Base64 | 10 | |
| durga_prasanna | Jack's Birthday Hash | 20 | |
| TajinOPoulet | Euler's Totient | 20 | |
| noohC10V0 | XOR Starter | 10 | |
| Omaru730 | Finding Flags | 2 | |
| TajinOPoulet | Public Keys | 15 | |
| Gondowt | Authenticated Handshake | 40 | |
| DaniyalWajid | Finding Flags | 2 | |
| atakilti | Finding Flags | 2 | |
| a2831408 | Modular Inverting | 25 | |
| JasserBkr | Modular Arithmetic 2 | 20 | |
| apm4n | You either know, XOR you don't | 30 | |
| NitroN | Chinese Remainder Theorem | 40 | |
| leo__vale | ASCII | 5 | |
| Gondowt | Decrypting TLS 1.3 | 35 | |
| JasserBkr | Modular Arithmetic 1 | 20 | |
| dexter_nate27 | Logon Zero | 80 | |
| Gondowt | Decrypting TLS 1.2 | 30 | |
| DavidN | Greatest Common Divisor | 15 | |
| jayram | Hex | 5 | |
| NitroN | Modular Square Root | 35 | |
| 0xSerb0t | ASCII | 5 | |
| 0xPh4nt0m | Quadratic Residues | 25 | |
| leo__vale | Great Snakes | 3 | |
| JasserBkr | Extended GCD | 20 | |
| tlasdf | Chinese Remainder Theorem | 40 | |
| tlasdf | Legendre Symbol | 35 | |
| sreehanadigopula | ASCII | 5 | |
| jayram | ASCII | 5 | |
| sreehanadigopula | Great Snakes | 3 | |
| s1ny4nz | Transparency | 50 | |
| JasserBkr | Greatest Common Divisor | 15 | |
| hellocyberdudes | Hex | 5 | |
| pocketclown | Base64 | 10 | |
| only | Legendre Symbol | 35 | |
| jayram | Great Snakes | 3 | |
| pocketclown | Hex | 5 | |
| sreehanadigopula | Finding Flags | 2 | |
| NitroN | Legendre Symbol | 35 | |
| pocketclown | ASCII | 5 | |
| pocketclown | Great Snakes | 3 | |
| AzureXblue | XOR Properties | 15 | |
| jayram | Finding Flags | 2 | |
| 0xPh4nt0m | Modular Inverting | 25 | |
| tlasdf | Quadratic Residues | 25 | |
| tlasdf | Modular Inverting | 25 |
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