| Date | User | Challenge | Score |
| KianaCayankArya | Base64 | 10 | |
| VISAS_STARFROST | Legendre Symbol | 35 | |
| Lucas_Dr4c0 | Base64 | 10 | |
| KianaCayankArya | Hex | 5 | |
| KianaCayankArya | ASCII | 5 | |
| KianaCayankArya | Great Snakes | 3 | |
| blackade | ECB Oracle | 60 | |
| KianaCayankArya | Finding Flags | 2 | |
| Rangkiasm | Greatest Common Divisor | 15 | |
| Rangkiasm | Lemur XOR | 40 | |
| LvKNnT | Digestive | 60 | |
| airconditioner4 | Privacy-Enhanced Mail? | 25 | |
| shurayz | Ellipse Curve Cryptography | 125 | |
| TheRJnator | XOR Starter | 10 | |
| LBN789 | Modular Inverting | 25 | |
| blackade | Passwords as Keys | 50 | |
| TheRJnator | Bytes and Big Integers | 10 | |
| LBN789 | Modular Arithmetic 2 | 20 | |
| personjs | OR Proof | 75 | |
| personjs | OR Proof (CryptoHack) | 0 | |
| LBN789 | Modular Arithmetic 1 | 20 | |
| chaiwon | RSA Signatures | 25 | |
| blackade | Modes of Operation Starter | 15 | |
| bbqq | Point Negation | 10 | |
| bbqq | Background Reading | 5 | |
| ZanePlayer | Resisting Bruteforce | 10 | |
| blackade | Bringing It All Together | 50 | |
| hamza8520 | Favourite byte | 20 | |
| YGUY | Working with Fields | 10 | |
| Aparaititos | Resisting Bruteforce | 10 | |
| ZanePlayer | Keyed Permutations | 5 | |
| hamza8520 | XOR Properties | 15 | |
| Aparaititos | Keyed Permutations | 5 | |
| ZanePlayer | Modular Binomials | 80 | |
| hamza8520 | XOR Starter | 10 | |
| blackade | Diffusion through Permutation | 30 | |
| CalixBlues | Hex | 5 | |
| YGUY | Modulus Inutilis | 50 | |
| alexandros | RSA Signatures | 25 | |
| Aparaititos | Modular Binomials | 80 | |
| alexandros | RSA Decryption | 20 | |
| YGUY | Salty | 20 | |
| k7 | Base64 | 10 | |
| hamza8520 | Bytes and Big Integers | 10 | |
| k7 | Hex | 5 | |
| alexandros | Private Keys | 20 | |
| Capitan_Grizzly | Hex | 5 | |
| alexandros | Euler's Totient | 20 | |
| alexandros | Public Keys | 15 | |
| Capitan_Grizzly | ASCII | 5 |
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