| Date | User | Challenge | Score |
| priyanshudev | Great Snakes | 3 | |
| chomcel | Ellipse Curve Cryptography | 125 | |
| kartickdas | Great Snakes | 3 | |
| 26521111001 | Toshi's Treasure | 150 | |
| ArthurSakayan | Network Attacks | 5 | |
| wersytt | Adrien's Signs | 80 | |
| 26521111001 | Armory | 100 | |
| priyanshudev | Finding Flags | 2 | |
| yosefalmuhanna | XOR Starter | 10 | |
| w33dk3y | Bytes and Big Integers | 10 | |
| 26521111001 | Bit by Bit | 100 | |
| w33dk3y | Base64 | 10 | |
| chomcel | Modular Binomials | 80 | |
| arg0nis | XOR Starter | 10 | |
| 26521111001 | Jeff's LFSR | 150 | |
| danart | Bytes and Big Integers | 10 | |
| TheB77 | Greatest Common Divisor | 15 | |
| Holzarim | Private Keys | 20 | |
| hoeckerj | Extended GCD | 20 | |
| w33dk3y | Hex | 5 | |
| macinson | Bringing It All Together | 50 | |
| Shinerone | Deriving Symmetric Keys | 40 | |
| 26521111001 | L-Win | 120 | |
| w33dk3y | ASCII | 5 | |
| Holzarim | Euler's Totient | 20 | |
| w33dk3y | Great Snakes | 3 | |
| Byteninja | Hex | 5 | |
| 26521111001 | RSA vs RNG | 150 | |
| Holzarim | Public Keys | 15 | |
| illuminate0221 | JWT Sessions | 10 | |
| w33dk3y | Finding Flags | 2 | |
| yosefalmuhanna | Bytes and Big Integers | 10 | |
| danart | Base64 | 10 | |
| 26521111001 | Nothing Up My Sleeve | 150 | |
| Holzarim | Modular Exponentiation | 10 | |
| 26521111001 | Trust Games | 150 | |
| danart | Hex | 5 | |
| 26521111001 | Lo-Hi Card Game | 120 | |
| patatino | Greatest Common Divisor | 15 | |
| Shinerone | Computing Shared Secrets | 30 | |
| danart | ASCII | 5 | |
| 26521111001 | No Leaks | 100 | |
| yosefalmuhanna | Base64 | 10 | |
| arg0nis | Bytes and Big Integers | 10 | |
| danart | Great Snakes | 3 | |
| siminka | Base64 | 10 | |
| 26521111001 | Gotta Go Fast | 40 | |
| siminka | Hex | 5 | |
| yosefalmuhanna | Hex | 5 | |
| hellodethere | Hex | 5 |
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