| Date | User | Challenge | Score |
| Suzanne1010 | Modular Exponentiation | 10 | |
| Arwin2Sunraku | Modular Exponentiation | 10 | |
| Neuri | Modular Exponentiation | 10 | |
| playerXLR8 | Extended GCD | 20 | |
| Upple21 | RSA Decryption | 20 | |
| Upple21 | Private Keys | 20 | |
| adisetiadi342 | Export-grade | 100 | |
| Upple21 | Euler's Totient | 20 | |
| mopedist | Crossed Wires | 100 | |
| Upple21 | Public Keys | 15 | |
| Upple21 | Modular Exponentiation | 10 | |
| mopedist | Everything is Big | 70 | |
| muhammadgazan | Export-grade | 100 | |
| kyuwon04 | Great Snakes | 3 | |
| mopedist | Modulus Inutilis | 50 | |
| adisetiadi342 | Parameter Injection | 60 | |
| 9mm_memphis_cult | Let's Decrypt Again | 175 | |
| mopedist | Salty | 20 | |
| elcaia | Hex | 5 | |
| muhammadgazan | Parameter Injection | 60 | |
| 9mm_memphis_cult | Vote for Pedro | 150 | |
| bagas | Hex | 5 | |
| mopedist | Manyprime | 40 | |
| bagas | ASCII | 5 | |
| artem_1 | You either know, XOR you don't | 30 | |
| sundul969 | Prime and Prejudice | 200 | |
| sundul969 | Real Eisenstein | 150 | |
| sundul969 | Cofactor Cofantasy | 150 | |
| sundul969 | Ellipse Curve Cryptography | 125 | |
| at220121 | Public Keys | 15 | |
| bagas | Great Snakes | 3 | |
| adisetiadi342 | Square Eyes | 35 | |
| sundul969 | Unencryptable | 125 | |
| 9mm_memphis_cult | Blinding Light | 120 | |
| adisetiadi342 | Inferius Prime | 30 | |
| at220121 | Modular Exponentiation | 10 | |
| 9mm_memphis_cult | Let's Decrypt | 80 | |
| mopedist | Square Eyes | 35 | |
| SyuhadaYusuf | RSA Decryption | 20 | |
| indra_santoso | RSA Decryption | 20 | |
| 9mm_memphis_cult | Signing Server | 60 | |
| alipsa | Great Snakes | 3 | |
| indra_santoso | Private Keys | 20 | |
| SyuhadaYusuf | Private Keys | 20 | |
| mopedist | Monoprime | 30 | |
| kyuwon04 | Finding Flags | 2 | |
| indra_santoso | Euler's Totient | 20 | |
| SyuhadaYusuf | Euler's Totient | 20 | |
| 9mm_memphis_cult | Null or Never | 100 | |
| Levski1914 | Hex | 5 |
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