| Date | User | Challenge | Score |
| wyaptw | Chinese Remainder Theorem | 40 | |
| ESPEIS | Bytes and Big Integers | 10 | |
| wyaptw | Modular Square Root | 35 | |
| mauriciovillalob | You either know, XOR you don't | 30 | |
| ahestevenz | Lemur XOR | 40 | |
| UIT | Flipping Cookie | 60 | |
| JoshuaR | Base64 | 10 | |
| mauriciovillalob | Favourite byte | 20 | |
| UIT | ECB Oracle | 60 | |
| ESPEIS | Base64 | 10 | |
| Nohe_Cast | Bytes and Big Integers | 10 | |
| ESPEIS | Hex | 5 | |
| hanako | Special Soundness | 25 | |
| Averyb | Finding Flags | 2 | |
| mauriciovillalob | XOR Properties | 15 | |
| ahestevenz | You either know, XOR you don't | 30 | |
| malcosmith | Great Snakes | 3 | |
| malcosmith | Finding Flags | 2 | |
| Nohe_Cast | Hex | 5 | |
| Nohe_Cast | Base64 | 10 | |
| 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 |
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