| Date | User | Challenge | Score |
| Ogo | XOR Properties | 15 | |
| Jacobw | Endless Emails | 150 | |
| CryptoKnowledge | Bytes and Big Integers | 10 | |
| crowcell | Monoprime | 30 | |
| PeakyCyber | XOR Starter | 10 | |
| gigisoave | XOR Starter | 10 | |
| Jacobw | Everything is Still Big | 100 | |
| DaanV2 | Resisting Bruteforce | 10 | |
| bluesky2113 | Broken RSA | 100 | |
| raskolnikov | Bytes and Big Integers | 10 | |
| Ogo | XOR Starter | 10 | |
| gigisoave | Bytes and Big Integers | 10 | |
| Tmots | Finding Flags | 2 | |
| Priandika | Great Snakes | 3 | |
| ox1bx | MD0 | 80 | |
| Jacobw | Crossed Wires | 100 | |
| cavazinf | Transparency | 50 | |
| n30nx | RSA vs RNG | 150 | |
| gigisoave | Base64 | 10 | |
| Jacobw | Everything is Big | 70 | |
| Zira | Modular Binomials | 80 | |
| mohamed750boukh | Lemur XOR | 40 | |
| Priandika | Finding Flags | 2 | |
| s3bxs | Extended GCD | 20 | |
| Jacobw | Square Eyes | 35 | |
| cavazinf | SSH Keys | 35 | |
| crowcell | Factoring | 15 | |
| cavazinf | CERTainly not | 30 | |
| gigisoave | Hex | 5 | |
| Jacobw | Inferius Prime | 30 | |
| raskolnikov | Base64 | 10 | |
| jahamza | Base64 | 10 | |
| raskolnikov | Hex | 5 | |
| gigisoave | ASCII | 5 | |
| jahamza | Hex | 5 | |
| gigisoave | Great Snakes | 3 | |
| Amro_Hussein | RSA Decryption | 20 | |
| Einas | XOR Starter | 10 | |
| Einas | Bytes and Big Integers | 10 | |
| Choihojun | ASCII | 5 | |
| raskolnikov | ASCII | 5 | |
| gigisoave | Finding Flags | 2 | |
| Einas | Base64 | 10 | |
| khizrahsheikh_1 | Finding Flags | 2 | |
| zDark | Hex | 5 | |
| Luminousvelocity | Adrien's Signs | 80 | |
| kray_dawrg | Great Snakes | 3 | |
| kray_dawrg | Finding Flags | 2 | |
| Einas | Hex | 5 | |
| Einas | ASCII | 5 |
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