| Date | User | Challenge | Score |
| dloop | Favourite byte | 20 | |
| Jinx | Vote for Pedro | 150 | |
| tigerBoss101 | Lazy CBC | 60 | |
| TinyLean | ECB CBC WTF | 55 | |
| starbinhas | Chinese Remainder Theorem | 40 | |
| laalsaas | Modular Square Root | 35 | |
| Kotatta | Great Snakes | 3 | |
| chec | Network Attacks | 5 | |
| yannou | Favourite byte | 20 | |
| rafaelperezio | ASCII | 5 | |
| TinyLean | Passwords as Keys | 50 | |
| Jinx | Blinding Light | 120 | |
| yannou | XOR Properties | 15 | |
| night_owl | Honest Verifier Zero Knowledge | 30 | |
| Jinx | Let's Decrypt | 80 | |
| yannou | XOR Starter | 10 | |
| yannou | Base64 | 10 | |
| Kotatta | Finding Flags | 2 | |
| yannou | Encoding Challenge | 40 | |
| tigerBoss101 | Successive Powers | 60 | |
| Bonolori404 | Chinese Remainder Theorem | 40 | |
| tigerBoss101 | Transparency | 50 | |
| sekina | Finding Flags | 2 | |
| yannou | Bytes and Big Integers | 10 | |
| sulinno | Modulus Inutilis | 50 | |
| eLiSa12345687 | Base64 | 10 | |
| obahya | Monoprime | 30 | |
| yannou | Hex | 5 | |
| tigerBoss101 | SSH Keys | 35 | |
| tigerBoss101 | CERTainly not | 30 | |
| Jinx | Signing Server | 60 | |
| Bonolori404 | Modular Square Root | 35 | |
| tigerBoss101 | Privacy-Enhanced Mail? | 25 | |
| eLiSa12345687 | Hex | 5 | |
| KKB05 | Bytes and Big Integers | 10 | |
| sulinno | Salty | 20 | |
| TinyLean | Modes of Operation Starter | 15 | |
| zilmoe | Broken RSA | 100 | |
| tigerBoss101 | Lemur XOR | 40 | |
| eLiSa12345687 | ASCII | 5 | |
| dloop | XOR Properties | 15 | |
| Oliver_isanolive | XOR Starter | 10 | |
| Jinx | Bespoke Padding | 100 | |
| eLiSa12345687 | Great Snakes | 3 | |
| tigerBoss101 | Encoding Challenge | 40 | |
| night_owl | Special Soundness | 25 | |
| eLiSa12345687 | Finding Flags | 2 | |
| Jinx | Ron was Wrong, Whit is Right | 90 | |
| obahya | Factoring | 15 | |
| Skytal_X | XOR Starter | 10 |
You are now level Current level