| Date | User | Challenge | Score |
| nikosn | JWT Secrets | 25 | |
| TasosB | SSH Keys | 35 | |
| esklibu666 | ASCII | 5 | |
| vasilikichar | Encoding Challenge | 40 | |
| hjjjk78 | Greatest Common Divisor | 15 | |
| Kruszyna | Ron was Wrong, Whit is Right | 90 | |
| silt | Great Snakes | 3 | |
| aldiad | XOR Properties | 15 | |
| nikosn | No Way JOSE | 20 | |
| chaiwon | Chinese Remainder Theorem | 40 | |
| mary12555488 | RSA Decryption | 20 | |
| esklibu666 | Great Snakes | 3 | |
| pseudonymous_ | Greatest Common Divisor | 15 | |
| mary12555488 | Private Keys | 20 | |
| esklibu666 | Finding Flags | 2 | |
| marvas | Inferius Prime | 30 | |
| mary12555488 | Euler's Totient | 20 | |
| nathan_brt | Diffusion through Permutation | 30 | |
| shokapikfort | ECB CBC WTF | 55 | |
| mary12555488 | Public Keys | 15 | |
| BaBYBu11 | Factoring | 15 | |
| mary12555488 | Modular Exponentiation | 10 | |
| david72751 | Computing Shared Secrets | 30 | |
| adrine | XOR Starter | 10 | |
| arecia | Bytes and Big Integers | 10 | |
| mits_akos | Jack's Birthday Confusion | 30 | |
| Kodyvim | Non-Interactive | 35 | |
| david72751 | Computing Public Values | 25 | |
| hjjjk78 | You either know, XOR you don't | 30 | |
| Kriz | Micro Transmissions | 120 | |
| Kruszyna | Fast Primes | 75 | |
| adrine | Bytes and Big Integers | 10 | |
| arecia | Base64 | 10 | |
| mits_akos | Jack's Birthday Hash | 20 | |
| sutterismine | Modular Square Root | 35 | |
| arecia | Hex | 5 | |
| hjjjk78 | Favourite byte | 20 | |
| DIMITRISMANIATIS | Round Keys | 20 | |
| arecia | ASCII | 5 | |
| Zukane | d-phi-enc (HackTM CTF) | 0 | |
| asklipios | Greatest Common Divisor | 15 | |
| Marte | Hex | 5 | |
| arecia | Network Attacks | 5 | |
| mits_akos | Resisting Bruteforce | 10 | |
| Mejkl | RSA Signatures | 25 | |
| arecia | Great Snakes | 3 | |
| arecia | Finding Flags | 2 | |
| mits_akos | Keyed Permutations | 5 | |
| The_Pug | Greatest Common Divisor | 15 | |
| arecia | RSA or HMAC? Part 2 | 100 |
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