| Date | User | Challenge | Score |
| atf | No Difference | 175 | |
| maimonah | Square Eyes | 35 | |
| itmar | Hex | 5 | |
| itmar | ASCII | 5 | |
| annakcrypto | ASCII | 5 | |
| atf | PriMeD5 | 100 | |
| Cano_il_Marsi | A Twisted Mind | 80 | |
| atf | Hash Stuffing | 50 | |
| annakcrypto | Great Snakes | 3 | |
| atf | Collider | 50 | |
| atf | Jack's Birthday Confusion | 30 | |
| atf | Jack's Birthday Hash | 20 | |
| atf | The Matrix Revolutions | 125 | |
| meu9545x | Bytes and Big Integers | 10 | |
| atf | The Matrix Reloaded | 100 | |
| atf | The Matrix | 75 | |
| atf | Script Kiddie | 70 | |
| atf | Static Client 2 | 120 | |
| atf | Additive | 70 | |
| atf | Static Client | 100 | |
| atf | Export-grade | 100 | |
| Markax | Hex | 5 | |
| atf | Parameter Injection | 60 | |
| nyls_andr | ASCII | 5 | |
| narek | Favourite byte | 20 | |
| atf | Deriving Symmetric Keys | 40 | |
| annakcrypto | Finding Flags | 2 | |
| atf | Computing Shared Secrets | 30 | |
| atf | Computing Public Values | 25 | |
| atf | Generators of Groups | 20 | |
| atf | Working with Fields | 10 | |
| atf | Let's Decrypt Again | 175 | |
| atf | Vote for Pedro | 150 | |
| Markax | ASCII | 5 | |
| mm302 | Modular Inverting | 25 | |
| atf | Blinding Light | 120 | |
| atf | Let's Decrypt | 80 | |
| atf | Signing Server | 60 | |
| atf | Null or Never | 100 | |
| atf | Bespoke Padding | 100 | |
| atf | RSA Backdoor Viability | 175 | |
| atf | Ron was Wrong, Whit is Right | 90 | |
| atf | Fast Primes | 75 | |
| atf | Marin's Secrets | 50 | |
| atf | Infinite Descent | 50 | |
| atf | Endless Emails | 150 | |
| atf | Everything is Still Big | 100 | |
| atf | Crossed Wires | 100 | |
| atf | Everything is Big | 70 | |
| atf | Modulus Inutilis | 50 |
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