| Date | User | Challenge | Score |
| SuperCat | Working with Fields | 10 | |
| Krumpel | XOR Starter | 10 | |
| FazeCT | Monoprime | 30 | |
| FazeCT | Inferius Prime | 30 | |
| FazeCT | Factoring | 15 | |
| FazeCT | RSA Decryption | 20 | |
| GettingNowhere | Finding Flags | 2 | |
| FazeCT | Private Keys | 20 | |
| FazeCT | Euler's Totient | 20 | |
| FazeCT | Public Keys | 15 | |
| FazeCT | Modular Exponentiation | 10 | |
| FazeCT | Bytes and Big Integers | 10 | |
| FazeCT | Base64 | 10 | |
| FazeCT | Hex | 5 | |
| FazeCT | ASCII | 5 | |
| FazeCT | Network Attacks | 5 | |
| FazeCT | Great Snakes | 3 | |
| FazeCT | Finding Flags | 2 | |
| DunkinDonnies | Base64 | 10 | |
| kamiii_ | ASCII | 5 | |
| fantom | Resisting Bruteforce | 10 | |
| kamiii_ | Great Snakes | 3 | |
| jchilczuk | Real Eisenstein | 150 | |
| DunkinDonnies | Hex | 5 | |
| kamiii_ | Finding Flags | 2 | |
| DunkinDonnies | ASCII | 5 | |
| Rares10 | Factoring | 15 | |
| Benizzel | ECB Oracle | 60 | |
| xseris | Hamiltonicity 1 | 100 | |
| xseris | Hamiltonicity (CryptoHack) | 0 | |
| DunkinDonnies | Great Snakes | 3 | |
| elisehet | Endless Emails | 150 | |
| fantom | Keyed Permutations | 5 | |
| Rares10 | RSA Signatures | 25 | |
| Wornard | Base64 | 10 | |
| xseris | Too Honest | 50 | |
| jchilczuk | Prime and Prejudice | 200 | |
| DunkinDonnies | Finding Flags | 2 | |
| Krumpel | Bytes and Big Integers | 10 | |
| maksushka | Point Negation | 10 | |
| fjukh7872 | Bad Temper | 130 | |
| fantom | Modular Binomials | 80 | |
| Rares10 | RSA Decryption | 20 | |
| TrouthieCryptHk | Modular Binomials | 80 | |
| xseris | Non-Interactive | 35 | |
| xseris | Honest Verifier Zero Knowledge | 30 | |
| brickzilla | Too Many Errors | 100 | |
| brickzilla | Noise Cheap | 90 | |
| brickzilla | Missing Modulus | 80 | |
| brickzilla | Nativity | 60 |
You are now level Current level