| Date | User | Challenge | Score |
| Urvi | Private Keys | 20 | |
| archex | Public Keys | 15 | |
| Vinjr | Fischlin Transform | 180 | |
| Urvi | Euler's Totient | 20 | |
| Koutsi112 | Bytes and Big Integers | 10 | |
| Urvi | Public Keys | 15 | |
| Urvi | Modular Exponentiation | 10 | |
| dua123 | Great Snakes | 3 | |
| Ryodan | Base64 | 10 | |
| Baobab | Chinese Remainder Theorem | 40 | |
| dua123 | Finding Flags | 2 | |
| spatino | Computing Public Values | 25 | |
| Koutsi112 | Base64 | 10 | |
| Chetalam | Smooth Criminal | 60 | |
| spatino | Generators of Groups | 20 | |
| Ryodan | Hex | 5 | |
| Baobab | Structure of AES | 15 | |
| Chetalam | Montgomery's Ladder | 40 | |
| Koutsi112 | Hex | 5 | |
| Chetalam | Efficient Exchange | 50 | |
| Chetalam | Curves and Logs | 40 | |
| Baobab | Resisting Bruteforce | 10 | |
| Koutsi112 | ASCII | 5 | |
| Chetalam | Scalar Multiplication | 35 | |
| kris_ | RSA Decryption | 20 | |
| kris_ | Private Keys | 20 | |
| Chetalam | Point Addition | 30 | |
| kris_ | Euler's Totient | 20 | |
| Koutsi112 | Great Snakes | 3 | |
| kris_ | Public Keys | 15 | |
| Chetalam | Point Negation | 10 | |
| kris_ | Modular Exponentiation | 10 | |
| Ryodan | ASCII | 5 | |
| Chetalam | Background Reading | 5 | |
| Baobab | Keyed Permutations | 5 | |
| mio03 | RSA Decryption | 20 | |
| cloakwiss | Passwords as Keys | 50 | |
| Ryodan | Great Snakes | 3 | |
| Koutsi112 | Finding Flags | 2 | |
| Haikall | Chinese Remainder Theorem | 40 | |
| sgrenz | Secure Protocols | 5 | |
| MellowChristian | Finding Flags | 2 | |
| AmusalaTeejan | Deriving Symmetric Keys | 40 | |
| AmusalaTeejan | Computing Shared Secrets | 30 | |
| AmusalaTeejan | Computing Public Values | 25 | |
| AmusalaTeejan | Generators of Groups | 20 | |
| AmusalaTeejan | Working with Fields | 10 | |
| AmusalaTeejan | Modulus Inutilis | 50 | |
| AmusalaTeejan | Salty | 20 | |
| AmusalaTeejan | Manyprime | 40 |
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