| Date | User | Challenge | Score |
| tigerBoss101 | Oh SNAP | 120 | |
| mrthekiller | Modular Arithmetic 1 | 20 | |
| 0xforfun | Modular Exponentiation | 10 | |
| mrthekiller | Extended GCD | 20 | |
| atosh502 | Encoding Challenge | 40 | |
| silvia9609 | Private Keys | 20 | |
| Anass67 | Background Reading | 5 | |
| tenkay | Greatest Common Divisor | 15 | |
| silvia9609 | Euler's Totient | 20 | |
| silvia9609 | Public Keys | 15 | |
| Miguelm | Private Keys | 20 | |
| tenkay | Lemur XOR | 40 | |
| Niklaus | Base64 | 10 | |
| Niklaus | Hex | 5 | |
| USeeUsChillin | Finding Flags | 2 | |
| Niklaus | ASCII | 5 | |
| Niklaus | Great Snakes | 3 | |
| Niklaus | Finding Flags | 2 | |
| Jlizarazon | Euler's Totient | 20 | |
| atosh502 | Bytes and Big Integers | 10 | |
| wmauriciogr | Modular Exponentiation | 10 | |
| xxvcxxvc | Base64 | 10 | |
| Miguelm | Euler's Totient | 20 | |
| xxvcxxvc | Hex | 5 | |
| xxvcxxvc | ASCII | 5 | |
| Jlizarazon | Private Keys | 20 | |
| atosh502 | Base64 | 10 | |
| HarryT1211 | XOR Properties | 15 | |
| Anass67 | Passwords as Keys | 50 | |
| Jlizarazon | Public Keys | 15 | |
| Camilo96 | Modular Exponentiation | 10 | |
| xxvcxxvc | Finding Flags | 2 | |
| iericksv95 | Modular Exponentiation | 10 | |
| Miguelm | Public Keys | 15 | |
| kattysanchez | Modular Exponentiation | 10 | |
| atosh502 | Network Attacks | 5 | |
| wwwfazal | ASCII | 5 | |
| silvia9609 | Modular Exponentiation | 10 | |
| Chente0309 | Modular Exponentiation | 10 | |
| wwwfazal | Great Snakes | 3 | |
| wwwfazal | Finding Flags | 2 | |
| HarryT1211 | XOR Starter | 10 | |
| Jlizarazon | Modular Exponentiation | 10 | |
| ji4xuu | Too Many Errors | 100 | |
| HarryT1211 | Bytes and Big Integers | 10 | |
| ji4xuu | Noise Cheap | 90 | |
| ji4xuu | Missing Modulus | 80 | |
| Miguelm | Modular Exponentiation | 10 | |
| ji4xuu | Nativity | 60 | |
| ji4xuu | Bounded Noise | 50 |
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