| Date | User | Challenge | Score |
| taizo | Great Snakes | 3 | |
| Milo__ | Bytes and Big Integers | 10 | |
| hanako | Proofs of Knowledge | 20 | |
| Abood12345 | WOTS Up 2 | 90 | |
| Abood12345 | WOTS Up | 75 | |
| Abood12345 | Merkle Trees | 25 | |
| Abood12345 | Invariant | 250 | |
| Abood12345 | Mixed Up | 120 | |
| Abood12345 | MDFlag | 125 | |
| taizo | Finding Flags | 2 | |
| Abood12345 | MD0 | 80 | |
| Abood12345 | No Difference | 175 | |
| Abood12345 | PriMeD5 | 100 | |
| Abood12345 | Hash Stuffing | 50 | |
| Abood12345 | Collider | 50 | |
| Abood12345 | Jack's Birthday Confusion | 30 | |
| Abood12345 | Jack's Birthday Hash | 20 | |
| Abood12345 | The Matrix Revolutions | 125 | |
| Abood12345 | The Matrix Reloaded | 100 | |
| Abood12345 | The Matrix | 75 | |
| Abood12345 | Script Kiddie | 70 | |
| Abood12345 | Static Client 2 | 120 | |
| Abood12345 | Additive | 70 | |
| Abood12345 | Static Client | 100 | |
| Abood12345 | Export-grade | 100 | |
| Abood12345 | Parameter Injection | 60 | |
| Abood12345 | Deriving Symmetric Keys | 40 | |
| Abood12345 | Computing Shared Secrets | 30 | |
| Abood12345 | Computing Public Values | 25 | |
| Abood12345 | Generators of Groups | 20 | |
| Abood12345 | Working with Fields | 10 | |
| Abood12345 | Let's Decrypt Again | 175 | |
| Abood12345 | Vote for Pedro | 150 | |
| Abood12345 | Blinding Light | 120 | |
| Abood12345 | Let's Decrypt | 80 | |
| LuisGabriel11 | Bytes and Big Integers | 10 | |
| Abood12345 | Signing Server | 60 | |
| Abood12345 | Null or Never | 100 | |
| Abood12345 | Bespoke Padding | 100 | |
| Abood12345 | RSA Backdoor Viability | 175 | |
| Abood12345 | Ron was Wrong, Whit is Right | 90 | |
| Abood12345 | Fast Primes | 75 | |
| JoshuaR | Hex | 5 | |
| Abood12345 | Marin's Secrets | 50 | |
| Abood12345 | Infinite Descent | 50 | |
| Abood12345 | Endless Emails | 150 | |
| Abood12345 | Everything is Still Big | 100 | |
| Abood12345 | Crossed Wires | 100 | |
| Abood12345 | Everything is Big | 70 | |
| Abood12345 | Modulus Inutilis | 50 |
You are now level Current level