| Date | User | Challenge | Score |
| vinguyenbg91 | Parameter Injection | 60 | |
| vinguyenbg91 | Deriving Symmetric Keys | 40 | |
| vinguyenbg91 | Computing Shared Secrets | 30 | |
| vinguyenbg91 | Computing Public Values | 25 | |
| vinguyenbg91 | Generators of Groups | 20 | |
| vinguyenbg91 | Working with Fields | 10 | |
| vinguyenbg91 | Vote for Pedro | 150 | |
| vinguyenbg91 | Blinding Light | 120 | |
| vinguyenbg91 | Let's Decrypt | 80 | |
| vinguyenbg91 | Signing Server | 60 | |
| vinguyenbg91 | RSA Backdoor Viability | 175 | |
| vinguyenbg91 | Ron was Wrong, Whit is Right | 90 | |
| vinguyenbg91 | Fast Primes | 75 | |
| ThtM | You either know, XOR you don't | 30 | |
| nhan123123 | Manyprime | 40 | |
| vinguyenbg91 | Efficient Exchange | 50 | |
| vinguyenbg91 | Curves and Logs | 40 | |
| vinguyenbg91 | Scalar Multiplication | 35 | |
| vinguyenbg91 | Point Addition | 30 | |
| vinguyenbg91 | Point Negation | 10 | |
| vinguyenbg91 | Marin's Secrets | 50 | |
| vinguyenbg91 | Infinite Descent | 50 | |
| vinguyenbg91 | Endless Emails | 150 | |
| vinguyenbg91 | Crossed Wires | 100 | |
| vinguyenbg91 | Everything is Still Big | 100 | |
| vinguyenbg91 | Everything is Big | 70 | |
| vinguyenbg91 | Modulus Inutilis | 50 | |
| vinguyenbg91 | Salty | 20 | |
| vinguyenbg91 | Manyprime | 40 | |
| vinguyenbg91 | Square Eyes | 35 | |
| vinguyenbg91 | Monoprime | 30 | |
| vinguyenbg91 | Inferius Prime | 30 | |
| vinguyenbg91 | Factoring | 15 | |
| vinguyenbg91 | RSA Signatures | 25 | |
| vinguyenbg91 | RSA Decryption | 20 | |
| vinguyenbg91 | Private Keys | 20 | |
| vinguyenbg91 | Euler's Totient | 20 | |
| vinguyenbg91 | Public Keys | 15 | |
| vinguyenbg91 | Modular Exponentiation | 10 | |
| vinguyenbg91 | Dancing Queen | 120 | |
| vinguyenbg91 | Bean Counter | 60 | |
| vinguyenbg91 | Symmetry | 50 | |
| vinguyenbg91 | Lazy CBC | 60 | |
| vinguyenbg91 | Flipping Cookie | 60 | |
| vinguyenbg91 | ECB CBC WTF | 55 | |
| vinguyenbg91 | Modes of Operation Starter | 15 | |
| vinguyenbg91 | Bringing It All Together | 50 | |
| vinguyenbg91 | Diffusion through Permutation | 30 | |
| vinguyenbg91 | Confusion through Substitution | 25 | |
| vinguyenbg91 | Round Keys | 20 |
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