| Date | User | Challenge | Score |
| dzikel | Base64 | 10 | |
| Guadalupe | Adrien's Signs | 80 | |
| mej | Hex | 5 | |
| elcaia | XOR Properties | 15 | |
| Guadalupe | Chinese Remainder Theorem | 40 | |
| Farhan_359 | RSA Decryption | 20 | |
| dzikel | Hex | 5 | |
| Guadalupe | Modular Square Root | 35 | |
| Farhan_359 | Private Keys | 20 | |
| dzikel | ASCII | 5 | |
| Guadalupe | Legendre Symbol | 35 | |
| Farhan_359 | Euler's Totient | 20 | |
| dzikel | Great Snakes | 3 | |
| Quoc130370 | What's a Lattice? | 40 | |
| mej | ASCII | 5 | |
| ililihay | You either know, XOR you don't | 30 | |
| Farhan_359 | Public Keys | 15 | |
| Revolvere | Parameter Injection | 60 | |
| Dizere | XOR Starter | 10 | |
| yoavb | Special Soundness | 25 | |
| Erkanski | ASCII | 5 | |
| artem_1 | Legendre Symbol | 35 | |
| Farhan_359 | Modular Exponentiation | 10 | |
| Bluetooth | ASCII | 5 | |
| Revolvere | Deriving Symmetric Keys | 40 | |
| dzikel | Finding Flags | 2 | |
| ililihay | Favourite byte | 20 | |
| Indra_Kusumajati | RSA Decryption | 20 | |
| Revolvere | Computing Shared Secrets | 30 | |
| Miguel_ACN29 | Curveball | 100 | |
| Revolvere | Computing Public Values | 25 | |
| Revolvere | Generators of Groups | 20 | |
| acorrege | Bytes and Big Integers | 10 | |
| Indra_Kusumajati | Private Keys | 20 | |
| ililihay | XOR Properties | 15 | |
| BeeHolder | XOR Starter | 10 | |
| Revolvere | Working with Fields | 10 | |
| LeonRodriguez | Round Keys | 20 | |
| Revolvere | Modulus Inutilis | 50 | |
| Pabloworkeryappi | Modular Square Root | 35 | |
| Indra_Kusumajati | Euler's Totient | 20 | |
| Erkanski | Finding Flags | 2 | |
| Quoc130370 | Gram Schmidt | 30 | |
| WIBOWO | RSA Decryption | 20 | |
| Miguel_ACN29 | Export-grade | 100 | |
| BeeHolder | Bytes and Big Integers | 10 | |
| WIBOWO | Private Keys | 20 | |
| Indra_Kusumajati | Public Keys | 15 | |
| Aulio_Diva | Modular Exponentiation | 10 | |
| WIBOWO | Euler's Totient | 20 |
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