| Date | User | Challenge | Score |
| amitbashan | Modulus Inutilis | 50 | |
| asulo97 | Base64 | 10 | |
| sweatyrocket | Real Mersenne (Zh3r0 CTF V2) | 0 | |
| drgnslyr69 | XOR Starter | 10 | |
| SteliosSd | Structure of AES | 15 | |
| semisweetdude | XOR Starter | 10 | |
| nizarr | Round Keys | 20 | |
| AristotelisAnt | RSA or HMAC? Part 2 | 100 | |
| drgnslyr69 | Bytes and Big Integers | 10 | |
| ThanosZara | Lemur XOR | 40 | |
| vsetti | Bespoke Padding | 100 | |
| amitbashan | Salty | 20 | |
| semisweetdude | Bytes and Big Integers | 10 | |
| Tmtonic | Finding Flags | 2 | |
| nzrlabs | CTRIME | 70 | |
| amitbashan | Manyprime | 40 | |
| nzrlabs | Bean Counter | 60 | |
| AndrewSuricato | Legendre Symbol | 35 | |
| NICOLAE_SANDRU | Point Addition | 30 | |
| NICOLAE_SANDRU | Point Negation | 10 | |
| NICOLAE_SANDRU | RSA Signatures | 25 | |
| ThanosZara | Favourite byte | 20 | |
| drgnslyr69 | Base64 | 10 | |
| semisweetdude | Base64 | 10 | |
| amitbashan | Square Eyes | 35 | |
| nzrlabs | Symmetry | 50 | |
| nzrlabs | Triple DES | 60 | |
| NICOLAE_SANDRU | RSA Decryption | 20 | |
| drgnslyr69 | Hex | 5 | |
| NICOLAE_SANDRU | Private Keys | 20 | |
| fr1x3r | Legendre Symbol | 35 | |
| NICOLAE_SANDRU | Public Keys | 15 | |
| PAWOS | Flipping Cookie | 60 | |
| nzrlabs | Lazy CBC | 60 | |
| shapirinsky | XOR Properties | 15 | |
| AryanChidumalla | Bytes and Big Integers | 10 | |
| Barak | Parameter Injection | 60 | |
| AryanChidumalla | Base64 | 10 | |
| drgnslyr69 | ASCII | 5 | |
| drgnslyr69 | Great Snakes | 3 | |
| AristotelisAnt | RSA Signatures | 25 | |
| amitbashan | Monoprime | 30 | |
| sweatyrocket | Oofbleck (Firebird Internal CTF) | 0 | |
| Redender64 | Too Many Errors | 100 | |
| amitbashan | Inferius Prime | 30 | |
| NoamN | Favourite byte | 20 | |
| AndrewSuricato | Quadratic Residues | 25 | |
| sweatyrocket | Key Backup Service 2 (HKCERT CTF) | 0 | |
| AryanChidumalla | Hex | 5 | |
| AristotelisAnt | RSA Decryption | 20 |
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