| Date | User | Challenge | Score |
| Avni_Mittal | Finding Flags | 2 | |
| nunom1 | Base64 | 10 | |
| Abinesh | XOR Properties | 15 | |
| bibika4404 | Great Snakes | 3 | |
| rotzers | Favourite byte | 20 | |
| bibika4404 | Finding Flags | 2 | |
| AmtrakGuy2 | Factoring | 15 | |
| AmtrakGuy2 | RSA Signatures | 25 | |
| AmtrakGuy2 | RSA Decryption | 20 | |
| imsonoob | XOR Starter | 10 | |
| nunom1 | Hex | 5 | |
| BlueBoy | Great Snakes | 3 | |
| AmtrakGuy2 | Private Keys | 20 | |
| AmtrakGuy2 | Euler's Totient | 20 | |
| manan_bisht_32 | Base64 | 10 | |
| AmtrakGuy2 | Public Keys | 15 | |
| AmtrakGuy2 | Modular Exponentiation | 10 | |
| screveaxel | Finding Flags | 2 | |
| AmtrakGuy2 | Bean Counter | 60 | |
| 1amperk | Quadratic Residues | 25 | |
| osihlovec | Nativity | 60 | |
| DeFaDeDe | Bytes and Big Integers | 10 | |
| nunom1 | ASCII | 5 | |
| mikolaj_bejnar | Bringing It All Together | 50 | |
| cyberri | Micro Transmissions | 120 | |
| rotzers | XOR Properties | 15 | |
| nadav111 | Finding Flags | 2 | |
| Theodo | Better than Linear | 85 | |
| nunom1 | Great Snakes | 3 | |
| mikolaj_bejnar | Diffusion through Permutation | 30 | |
| nunom1 | Finding Flags | 2 | |
| dkoazwlearning | Infinite Descent | 50 | |
| AmtrakGuy2 | Symmetry | 50 | |
| mikolaj_bejnar | Confusion through Substitution | 25 | |
| mikolaj_bejnar | Round Keys | 20 | |
| mikolaj_bejnar | Structure of AES | 15 | |
| imsonoob | Bytes and Big Integers | 10 | |
| Hydroxide | Hex | 5 | |
| bbaoaanh | Inferius Prime | 30 | |
| mikolaj_bejnar | Resisting Bruteforce | 10 | |
| Hardodziobik | Stream of Consciousness | 80 | |
| mikolaj_bejnar | Keyed Permutations | 5 | |
| Juliusz798 | Collider | 50 | |
| Hydroxide | ASCII | 5 | |
| Romyna | A True Genus | 175 | |
| Hydroxide | Great Snakes | 3 | |
| dkoazwlearning | Endless Emails | 150 | |
| skiller3478 | Salty | 20 | |
| Hydroxide | Finding Flags | 2 | |
| bbaoaanh | Factoring | 15 |
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