| Date | User | Challenge | Score |
| Neilster | Public Keys | 15 | |
| OrestisL | Euler's Totient | 20 | |
| Ayrix | Computing Shared Secrets | 30 | |
| Neilster | Modular Exponentiation | 10 | |
| _r0vae | Computing Shared Secrets | 30 | |
| nashua_everdeen | Export-grade | 100 | |
| kurao | Confusion through Substitution | 25 | |
| _r0vae | Computing Public Values | 25 | |
| Ayrix | Computing Public Values | 25 | |
| _r0vae | Generators of Groups | 20 | |
| Ayrix | Generators of Groups | 20 | |
| Ayrix | Working with Fields | 10 | |
| _r0vae | Working with Fields | 10 | |
| kurao | Round Keys | 20 | |
| xxu0wn | Base64 | 10 | |
| kurao | Structure of AES | 15 | |
| _r0vae | Let's Decrypt Again | 175 | |
| Ayrix | Let's Decrypt Again | 175 | |
| Ayrix | Vote for Pedro | 150 | |
| _r0vae | Vote for Pedro | 150 | |
| Ayrix | Blinding Light | 120 | |
| Ayrix | Let's Decrypt | 80 | |
| _r0vae | Blinding Light | 120 | |
| Ayrix | Signing Server | 60 | |
| _r0vae | Let's Decrypt | 80 | |
| Ayrix | Null or Never | 100 | |
| Ayrix | Bespoke Padding | 100 | |
| _r0vae | Signing Server | 60 | |
| Ayrix | RSA Backdoor Viability | 175 | |
| _r0vae | Null or Never | 100 | |
| Ayrix | Ron was Wrong, Whit is Right | 90 | |
| Ayrix | Fast Primes | 75 | |
| _r0vae | Bespoke Padding | 100 | |
| Ayrix | Marin's Secrets | 50 | |
| Ayrix | Infinite Descent | 50 | |
| _r0vae | RSA Backdoor Viability | 175 | |
| Ayrix | Endless Emails | 150 | |
| _r0vae | Ron was Wrong, Whit is Right | 90 | |
| Ayrix | Everything is Still Big | 100 | |
| Ayrix | Crossed Wires | 100 | |
| Ayrix | Everything is Big | 70 | |
| _r0vae | Fast Primes | 75 | |
| Ayrix | Modulus Inutilis | 50 | |
| Ayrix | Salty | 20 | |
| _r0vae | Marin's Secrets | 50 | |
| Ayrix | Manyprime | 40 | |
| _r0vae | Infinite Descent | 50 | |
| Ayrix | Square Eyes | 35 | |
| Ayrix | Monoprime | 30 | |
| _r0vae | Endless Emails | 150 |
You are now level Current level