| Date | User | Challenge | Score |
| computersRmagic | Greatest Common Divisor | 15 | |
| rarcisse | Generators of Groups | 20 | |
| Caju___ | Greatest Common Divisor | 15 | |
| Gregouaire | Point Negation | 10 | |
| Peer | Manyprime | 40 | |
| mathical0732 | Computing Shared Secrets | 30 | |
| nikame | You either know, XOR you don't | 30 | |
| mathical0732 | Computing Public Values | 25 | |
| mathical0732 | Generators of Groups | 20 | |
| Jerbear3256 | Passwords as Keys | 50 | |
| nikame | Favourite byte | 20 | |
| desa_05 | Jack's Birthday Hash | 20 | |
| nikame | XOR Properties | 15 | |
| fgs | No Way Back Home | 100 | |
| fgs | Broken RSA | 100 | |
| Nyann917 | Marin's Secrets | 50 | |
| DaoHui | Greatest Common Divisor | 15 | |
| AndreaMiele | Adrien's Signs | 80 | |
| ca1cu1ating | Parameter Injection | 60 | |
| Nyann917 | Generators of Groups | 20 | |
| AndreaMiele | Chinese Remainder Theorem | 40 | |
| fairy | Extended GCD | 20 | |
| AndreaMiele | Modular Square Root | 35 | |
| Jerbear3256 | Modes of Operation Starter | 15 | |
| nikame | XOR Starter | 10 | |
| MaxAzar | Bean Counter | 60 | |
| fgs | Modular Binomials | 80 | |
| Jerbear3256 | Bringing It All Together | 50 | |
| Nyann917 | Crossed Wires | 100 | |
| AndreaMiele | Legendre Symbol | 35 | |
| nikame | Bytes and Big Integers | 10 | |
| kieuvip | Bringing It All Together | 50 | |
| mk4akash | Extended GCD | 20 | |
| step_jo | Deriving Symmetric Keys | 40 | |
| Asil | Greatest Common Divisor | 15 | |
| ca1cu1ating | Deriving Symmetric Keys | 40 | |
| rarcisse | Working with Fields | 10 | |
| vlmalo | Factoring | 15 | |
| vlmalo | RSA Signatures | 25 | |
| AndreaMiele | Quadratic Residues | 25 | |
| nikame | Base64 | 10 | |
| ca1cu1ating | Computing Shared Secrets | 30 | |
| AndreaMiele | Modular Inverting | 25 | |
| AndreaMiele | Modular Arithmetic 2 | 20 | |
| AndreaMiele | Modular Arithmetic 1 | 20 | |
| AndreaMiele | Extended GCD | 20 | |
| AndreaMiele | Greatest Common Divisor | 15 | |
| Jerbear3256 | Diffusion through Permutation | 30 | |
| AndreaMiele | You either know, XOR you don't | 30 | |
| fgs | Adrien's Signs | 80 |
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