| Date | User | Challenge | Score |
| lemon22 | ZKP Introduction | 5 | |
| TeraP | Greatest Common Divisor | 15 | |
| alaaabdu | WOTS Up 2 | 90 | |
| alaaabdu | WOTS Up | 75 | |
| alaaabdu | Merkle Trees | 25 | |
| alaaabdu | Invariant | 250 | |
| alaaabdu | Mixed Up | 120 | |
| alaaabdu | MDFlag | 125 | |
| alaaabdu | MD0 | 80 | |
| alaaabdu | No Difference | 175 | |
| alaaabdu | Twin Keys | 100 | |
| alaaabdu | PriMeD5 | 100 | |
| alaaabdu | Hash Stuffing | 50 | |
| alaaabdu | Collider | 50 | |
| alaaabdu | Jack's Birthday Confusion | 30 | |
| alaaabdu | Jack's Birthday Hash | 20 | |
| Nokoz | Bytes and Big Integers | 10 | |
| alaaabdu | The Matrix Revolutions | 125 | |
| alaaabdu | The Matrix Reloaded | 100 | |
| alaaabdu | The Matrix | 75 | |
| alaaabdu | Script Kiddie | 70 | |
| alaaabdu | Static Client 2 | 120 | |
| alaaabdu | Additive | 70 | |
| alaaabdu | Static Client | 100 | |
| alaaabdu | Export-grade | 100 | |
| alaaabdu | Parameter Injection | 60 | |
| alaaabdu | Deriving Symmetric Keys | 40 | |
| alaaabdu | Computing Shared Secrets | 30 | |
| latticelarper | Great Snakes | 3 | |
| alaaabdu | Computing Public Values | 25 | |
| alaaabdu | Generators of Groups | 20 | |
| alaaabdu | Working with Fields | 10 | |
| alaaabdu | Let's Decrypt Again | 175 | |
| alaaabdu | Vote for Pedro | 150 | |
| latticelarper | Finding Flags | 2 | |
| alaaabdu | Blinding Light | 120 | |
| alaaabdu | Let's Decrypt | 80 | |
| alaaabdu | Signing Server | 60 | |
| Tiger06 | ASCII | 5 | |
| alaaabdu | Null or Never | 100 | |
| alaaabdu | Bespoke Padding | 100 | |
| alaaabdu | RSA Backdoor Viability | 175 | |
| tanis3050 | Diffusion through Permutation | 30 | |
| alaaabdu | Ron was Wrong, Whit is Right | 90 | |
| Arich | Great Snakes | 3 | |
| alaaabdu | Fast Primes | 75 | |
| alaaabdu | Marin's Secrets | 50 | |
| alaaabdu | Infinite Descent | 50 | |
| alaaabdu | Endless Emails | 150 | |
| alaaabdu | Everything is Still Big | 100 |
You are now level Current level