| Date | User | Challenge | Score |
| KernelMatrix | Modular Arithmetic 2 | 20 | |
| zinccannon | Encoding Challenge | 40 | |
| ShadetheAvali | Vectors | 10 | |
| handoko | Monoprime | 30 | |
| you12345 | XOR Properties | 15 | |
| ibpu | Generators of Groups | 20 | |
| handoko | Inferius Prime | 30 | |
| ibpu | Working with Fields | 10 | |
| Hieptrau | Network Attacks | 5 | |
| qxx | Modular Arithmetic 1 | 20 | |
| ibpu | Factoring | 15 | |
| Fridintana | Parameter Injection | 60 | |
| boestraw | Factoring | 15 | |
| ddiibra69 | RSA Decryption | 20 | |
| ibpu | RSA Decryption | 20 | |
| handoko | Factoring | 15 | |
| ibpu | Private Keys | 20 | |
| ibpu | Euler's Totient | 20 | |
| ibpu | Public Keys | 15 | |
| duongsec | Bytes and Big Integers | 10 | |
| ibpu | Modular Exponentiation | 10 | |
| ddiibra69 | Private Keys | 20 | |
| Holl0w | Maybe Someday (GoogleCTF) | 0 | |
| ddiibra69 | Euler's Totient | 20 | |
| Holl0w | OR Proof (CryptoHack) | 0 | |
| Holl0w | Hamiltonicity (CryptoHack) | 0 | |
| Nanang | RSA Signatures | 25 | |
| Holl0w | ECLCG (HITCON CTF) | 0 | |
| ddiibra69 | Public Keys | 15 | |
| Holl0w | Additional problems (CSC Belgium) | 0 | |
| ddiibra69 | Modular Exponentiation | 10 | |
| qxx | Extended GCD | 20 | |
| Jaxc | RSA Signatures | 25 | |
| Holl0w | Authentification 1 (Breizh CTF) | 0 | |
| boestraw | RSA Signatures | 25 | |
| kitty | Triple DES | 60 | |
| ibpu | Modular Binomials | 80 | |
| NJJ | RSA Signatures | 25 | |
| 169819 | Export-grade | 100 | |
| samlev | Modes of Operation Starter | 15 | |
| b1b00www | Modular Binomials | 80 | |
| b1b00www | Broken RSA | 100 | |
| ngynmq | Bounded Noise | 50 | |
| giardinodecorati | Smooth Criminal | 60 | |
| 169819 | Parameter Injection | 60 | |
| dturbo | Modulus Inutilis | 50 | |
| Holl0w | Hyper512 (HITCON CTF) | 0 | |
| testing1357 | XOR Properties | 15 | |
| handoko | RSA Signatures | 25 | |
| Nxcromxncer | Network Attacks | 5 |
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