| Date | User | Challenge | Score |
| Dinesh_090607 | Modulus Inutilis | 50 | |
| hanuta | XOR Starter | 10 | |
| SnBork | Keyed Permutations | 5 | |
| Dinesh_090607 | Salty | 20 | |
| devsec1 | Modular Arithmetic 2 | 20 | |
| ceanurim | XOR Properties | 15 | |
| Dinesh_090607 | Manyprime | 40 | |
| Dinesh_090607 | Monoprime | 30 | |
| Coliin | You either know, XOR you don't | 30 | |
| Dinesh_090607 | Factoring | 15 | |
| oongyi | Extended GCD | 20 | |
| VictorMugo | Efficient Exchange | 50 | |
| VictorMugo | Curves and Logs | 40 | |
| Coliin | Favourite byte | 20 | |
| Viobox | Modular Arithmetic 2 | 20 | |
| Dinesh_090607 | RSA Signatures | 25 | |
| holden | Great Snakes | 3 | |
| VictorMugo | Scalar Multiplication | 35 | |
| CYCcc | Monoprime | 30 | |
| VictorMugo | Point Addition | 30 | |
| 151311 | Export-grade | 100 | |
| Dinesh_090607 | RSA Decryption | 20 | |
| VictorMugo | Point Negation | 10 | |
| devsec1 | Modular Arithmetic 1 | 20 | |
| VictorMugo | Background Reading | 5 | |
| 151311 | Parameter Injection | 60 | |
| Dinesh_090607 | Private Keys | 20 | |
| Dinesh_090607 | Euler's Totient | 20 | |
| 151311 | Deriving Symmetric Keys | 40 | |
| Dinesh_090607 | Public Keys | 15 | |
| Dinesh_090607 | Modular Exponentiation | 10 | |
| 151311 | Computing Shared Secrets | 30 | |
| 151311 | Computing Public Values | 25 | |
| jgdugo | XOR Starter | 10 | |
| 151311 | Generators of Groups | 20 | |
| 151311 | Working with Fields | 10 | |
| 151311 | Modulus Inutilis | 50 | |
| YWzhong | Modular Square Root | 35 | |
| 151311 | Salty | 20 | |
| ceanurim | XOR Starter | 10 | |
| 151311 | Manyprime | 40 | |
| 151311 | Monoprime | 30 | |
| 151311 | Factoring | 15 | |
| 151311 | RSA Signatures | 25 | |
| 151311 | RSA Decryption | 20 | |
| ceanurim | Bytes and Big Integers | 10 | |
| 151311 | Private Keys | 20 | |
| 151311 | Euler's Totient | 20 | |
| Viobox | Modular Arithmetic 1 | 20 | |
| eternelman | Modes of Operation Starter | 15 |
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