| Date | User | Challenge | Score |
| Taha_alansi | Hash Stuffing | 50 | |
| b1b00www | Special Soundness | 25 | |
| amralisaif | Resisting Bruteforce | 10 | |
| Tressy_Kongo | CERTainly not | 30 | |
| amralisaif | Keyed Permutations | 5 | |
| Devik | Finding Flags | 2 | |
| Alain1221 | Greatest Common Divisor | 15 | |
| Tressy_Kongo | Privacy-Enhanced Mail? | 25 | |
| Derha_m | Finding Flags | 2 | |
| amralisaif | Great Snakes | 3 | |
| cg05dev | Finding Flags | 2 | |
| mus4shi | Base64 | 10 | |
| Taha_alansi | Collider | 50 | |
| Taha_alansi | Jack's Birthday Confusion | 30 | |
| Taha_alansi | Export-grade | 100 | |
| Taha_alansi | Parameter Injection | 60 | |
| abhi7056 | Base64 | 10 | |
| fjukh7872 | Better than Linear | 85 | |
| francuccio08 | Bringing It All Together | 50 | |
| Taha_alansi | You either know, XOR you don't | 30 | |
| Taha_alansi | Favourite byte | 20 | |
| Vasti | Bytes and Big Integers | 10 | |
| Taha_alansi | XOR Properties | 15 | |
| Taha_alansi | XOR Starter | 10 | |
| Taha_alansi | Bytes and Big Integers | 10 | |
| Tressy_Kongo | Modular Inverting | 25 | |
| Taha_alansi | Base64 | 10 | |
| cyros | Dancing Queen | 120 | |
| Taha_alansi | Hex | 5 | |
| salmansayad78_7 | Factoring | 15 | |
| Taha_alansi | ASCII | 5 | |
| cyros | Logon Zero | 80 | |
| salmansayad78_7 | RSA Signatures | 25 | |
| LACiA | Background Reading | 5 | |
| Tressy_Kongo | Modular Arithmetic 2 | 20 | |
| strikeout | Stream of Consciousness | 80 | |
| Yatogami | Hex | 5 | |
| salmansayad78_7 | RSA Decryption | 20 | |
| Tressy_Kongo | Modular Arithmetic 1 | 20 | |
| xtrm0 | No Leaks | 100 | |
| Taha_alansi | Jack's Birthday Hash | 20 | |
| b1b00www | Proofs of Knowledge | 20 | |
| cyros | No Way JOSE | 20 | |
| LACiA | The Matrix Revolutions | 125 | |
| cyros | JWT Sessions | 10 | |
| Derha_m | Let's Decrypt Again | 175 | |
| salmansayad78_7 | Private Keys | 20 | |
| Derha_m | Vote for Pedro | 150 | |
| Derha_m | Blinding Light | 120 | |
| Derha_m | Let's Decrypt | 80 |
You are now level Current level