| Date | User | Challenge | Score |
| joeliousCaesar | Modular Binomials | 80 | |
| jjssjj | Base64 | 10 | |
| Hydra5D | You either know, XOR you don't | 30 | |
| pai | Private Keys | 20 | |
| Samamahassan | Everything is Big | 70 | |
| 1375185311 | Resisting Bruteforce | 10 | |
| Samamahassan | Modulus Inutilis | 50 | |
| pai | Euler's Totient | 20 | |
| pinguuuu | Favourite byte | 20 | |
| Samamahassan | Salty | 20 | |
| Samamahassan | Manyprime | 40 | |
| DineshNadakuditi | You either know, XOR you don't | 30 | |
| cafecafe | Curves and Logs | 40 | |
| Samamahassan | Square Eyes | 35 | |
| Samamahassan | Monoprime | 30 | |
| cafecafe | Scalar Multiplication | 35 | |
| Remora | ASCII | 5 | |
| Samamahassan | Inferius Prime | 30 | |
| AchmadSheva767 | RSA Decryption | 20 | |
| RahmadRivaldiiii | Moving Problems | 150 | |
| RahmadRivaldiiii | ProSign 3 | 100 | |
| dXNlcm5hbWU_ | Unencryptable | 125 | |
| Samamahassan | Factoring | 15 | |
| RahmadRivaldiiii | Curveball | 100 | |
| AchmadSheva767 | Private Keys | 20 | |
| RahmadRivaldiiii | Smooth Criminal | 60 | |
| Arwa_45 | Favourite byte | 20 | |
| RahmadRivaldiiii | Montgomery's Ladder | 40 | |
| AchmadSheva767 | Euler's Totient | 20 | |
| RahmadRivaldiiii | Efficient Exchange | 50 | |
| RahmadRivaldiiii | Curves and Logs | 40 | |
| RahmadRivaldiiii | Scalar Multiplication | 35 | |
| RahmadRivaldiiii | Point Addition | 30 | |
| pai | Public Keys | 15 | |
| RahmadRivaldiiii | Point Negation | 10 | |
| RahmadRivaldiiii | Background Reading | 5 | |
| i_Love_Ramona | Flipping Cookie | 60 | |
| AchmadSheva767 | Public Keys | 15 | |
| MRifkyAlfariz | RSA Decryption | 20 | |
| AchmadSheva767 | Modular Exponentiation | 10 | |
| pai | Modular Exponentiation | 10 | |
| RahmadRivaldiiii | Export-grade | 100 | |
| RahmadRivaldiiii | Parameter Injection | 60 | |
| CTDodger | You either know, XOR you don't | 30 | |
| RahmadRivaldiiii | Deriving Symmetric Keys | 40 | |
| zboa | Chinese Remainder Theorem | 40 | |
| RahmadRivaldiiii | Computing Shared Secrets | 30 | |
| RahmadRivaldiiii | Computing Public Values | 25 | |
| MRifkyAlfariz | Private Keys | 20 | |
| RahmadRivaldiiii | Generators of Groups | 20 |
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