| Date | User | Challenge | Score |
| dragon99 | Bringing It All Together | 50 | |
| eternelman | Manyprime | 40 | |
| Churchil | RSA Decryption | 20 | |
| Churchil | Private Keys | 20 | |
| M_ndinda | Factoring | 15 | |
| M_ndinda | RSA Signatures | 25 | |
| Churchil | Euler's Totient | 20 | |
| Churchil | Public Keys | 15 | |
| Churchil | Modular Exponentiation | 10 | |
| Aritsi | Hex | 5 | |
| 168889_Maxwell | Monoprime | 30 | |
| 168889_Maxwell | Factoring | 15 | |
| dragon99 | Diffusion through Permutation | 30 | |
| 168889_Maxwell | RSA Signatures | 25 | |
| dragon99 | Confusion through Substitution | 25 | |
| vexilla72 | Fast Primes | 75 | |
| 168889_Maxwell | RSA Decryption | 20 | |
| 168889_Maxwell | Private Keys | 20 | |
| 168889_Maxwell | Euler's Totient | 20 | |
| 168889_Maxwell | Public Keys | 15 | |
| dragon99 | Round Keys | 20 | |
| Juju9478 | Export-grade | 100 | |
| Juju9478 | Parameter Injection | 60 | |
| 168889_Maxwell | Modular Exponentiation | 10 | |
| Juju9478 | Deriving Symmetric Keys | 40 | |
| eternelman | Monoprime | 30 | |
| Juju9478 | Computing Shared Secrets | 30 | |
| Juju9478 | Computing Public Values | 25 | |
| baka9_73748 | Adrien's Signs | 80 | |
| Juju9478 | Generators of Groups | 20 | |
| M_ndinda | RSA Decryption | 20 | |
| Juju9478 | Working with Fields | 10 | |
| M_ndinda | Private Keys | 20 | |
| Juju9478 | Modulus Inutilis | 50 | |
| M_ndinda | Euler's Totient | 20 | |
| M_ndinda | Public Keys | 15 | |
| Juju9478 | Salty | 20 | |
| M_ndinda | Modular Exponentiation | 10 | |
| Juju9478 | Manyprime | 40 | |
| M_ndinda | Bean Counter | 60 | |
| Juju9478 | Monoprime | 30 | |
| M_ndinda | Symmetry | 50 | |
| M_ndinda | Flipping Cookie | 60 | |
| Juju9478 | Factoring | 15 | |
| M_ndinda | ECB CBC WTF | 55 | |
| Juju9478 | RSA Signatures | 25 | |
| M_ndinda | ECB Oracle | 60 | |
| M_ndinda | Passwords as Keys | 50 | |
| Juju9478 | RSA Decryption | 20 | |
| Juju9478 | Private Keys | 20 |
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