| Date | User | Challenge | Score |
| M0xX | Euler's Totient | 20 | |
| Alamyt | Base64 | 10 | |
| M0xX | Public Keys | 15 | |
| M0xX | Modular Exponentiation | 10 | |
| mathical0732 | Lazy CBC | 60 | |
| AbubuerT | Modular Arithmetic 1 | 20 | |
| ghaisan | JWT Secrets | 25 | |
| agnesilaban_ | Favourite byte | 20 | |
| agnesilaban_ | XOR Properties | 15 | |
| eu5h | Finding Flags | 2 | |
| ghaisan | No Way JOSE | 20 | |
| heatswole | Quadratic Residues | 25 | |
| Razza | XOR Starter | 10 | |
| ghaisan | JWT Sessions | 10 | |
| bomraze | Base64 | 10 | |
| agnesilaban_ | Bytes and Big Integers | 10 | |
| brembo | Let's Decrypt Again | 175 | |
| ghaisan | Token Appreciation | 5 | |
| brembo | Vote for Pedro | 150 | |
| brembo | Blinding Light | 120 | |
| brembo | Let's Decrypt | 80 | |
| Kiixzoo | Encoding Challenge | 40 | |
| brembo | Signing Server | 60 | |
| brembo | Null or Never | 100 | |
| brembo | Bespoke Padding | 100 | |
| brembo | RSA Backdoor Viability | 175 | |
| brembo | Ron was Wrong, Whit is Right | 90 | |
| Alamyt | Hex | 5 | |
| brembo | Fast Primes | 75 | |
| bomraze | Hex | 5 | |
| agnesilaban_ | Base64 | 10 | |
| ggsurly | Base64 | 10 | |
| agnesilaban_ | Hex | 5 | |
| bomraze | ASCII | 5 | |
| AbubuerT | Extended GCD | 20 | |
| Wijaya | Favourite byte | 20 | |
| Wijaya | XOR Properties | 15 | |
| Wijaya | XOR Starter | 10 | |
| LvKNnT | No Difference | 175 | |
| agnesilaban_ | ASCII | 5 | |
| Wijaya | Encoding Challenge | 40 | |
| brembo | Marin's Secrets | 50 | |
| Razza | Encoding Challenge | 40 | |
| brembo | Infinite Descent | 50 | |
| brembo | Endless Emails | 150 | |
| AbubuerT | Greatest Common Divisor | 15 | |
| R0b1n | Chinese Remainder Theorem | 40 | |
| bomraze | Great Snakes | 3 | |
| bomraze | Finding Flags | 2 | |
| Wijaya | Bytes and Big Integers | 10 |
You are now level Current level