| Date | User | Challenge | Score |
| bomboclatpanos | Private Keys | 20 | |
| M4DD0C74 | ProSign 3 | 100 | |
| Mejkl | Infinite Descent | 50 | |
| yosr | Greatest Common Divisor | 15 | |
| laalsaas | Modular Arithmetic 2 | 20 | |
| bomboclatpanos | Euler's Totient | 20 | |
| sem | XOR Starter | 10 | |
| bomboclatpanos | PriMeD5 | 100 | |
| Johnxagos | Chinese Remainder Theorem | 40 | |
| barcode | XOR Properties | 15 | |
| gh0stvageo | No Way JOSE | 20 | |
| yosr | You either know, XOR you don't | 30 | |
| bomboclatpanos | Public Keys | 15 | |
| bowie41 | Everything is Big | 70 | |
| Bilobi | Finding Flags | 2 | |
| marasdk | Crossed Wires | 100 | |
| barcode | XOR Starter | 10 | |
| bowie41 | Manyprime | 40 | |
| ThanosZara | Deriving Symmetric Keys | 40 | |
| bomboclatpanos | Modular Exponentiation | 10 | |
| Kas_d_Attay | Export-grade | 100 | |
| yosr | Favourite byte | 20 | |
| bowie41 | Square Eyes | 35 | |
| gh0stvageo | JWT Sessions | 10 | |
| barcode | Bytes and Big Integers | 10 | |
| ThanosZara | Computing Shared Secrets | 30 | |
| DIMITRISMANIATIS | ECB Oracle | 60 | |
| gh0stvageo | Token Appreciation | 5 | |
| barcode | Base64 | 10 | |
| ThanosZara | Computing Public Values | 25 | |
| barcode | Hex | 5 | |
| barcode | ASCII | 5 | |
| barcode | Great Snakes | 3 | |
| barcode | Finding Flags | 2 | |
| ThanosZara | Generators of Groups | 20 | |
| Lazybones8858 | Hex | 5 | |
| bowie41 | Inferius Prime | 30 | |
| NoamN | SSH Keys | 35 | |
| 0xdaemon | Endless Emails | 150 | |
| bowie41 | Factoring | 15 | |
| Lazybones8858 | ASCII | 5 | |
| Kas_d_Attay | Parameter Injection | 60 | |
| Lazybones8858 | Great Snakes | 3 | |
| Jivan_49 | Finding Flags | 2 | |
| Lazybones8858 | Finding Flags | 2 | |
| Kas_d_Attay | Deriving Symmetric Keys | 40 | |
| Kas_d_Attay | Computing Shared Secrets | 30 | |
| Kas_d_Attay | Computing Public Values | 25 | |
| Kas_d_Attay | Generators of Groups | 20 | |
| Kas_d_Attay | Working with Fields | 10 |
You are now level Current level