| Date | User | Challenge | Score |
| VuiVe | Network Attacks | 5 | |
| tmkyd | Everything is Still Big | 100 | |
| PatrickL_SC | Bytes and Big Integers | 10 | |
| ttttt | ASCII | 5 | |
| dawsonpelter | Bytes and Big Integers | 10 | |
| PatrickL_SC | Base64 | 10 | |
| dawsonpelter | Base64 | 10 | |
| pin | LWE Intro | 10 | |
| PatrickL_SC | Hex | 5 | |
| WissemF1234 | ECB CBC WTF | 55 | |
| sewulas | Modular Binomials | 80 | |
| dawsonpelter | Hex | 5 | |
| PatrickL_SC | ASCII | 5 | |
| PatrickL_SC | Great Snakes | 3 | |
| PatrickL_SC | Finding Flags | 2 | |
| dawsonpelter | ASCII | 5 | |
| tmkyd | Crossed Wires | 100 | |
| dawsonpelter | Great Snakes | 3 | |
| TTING | ECB Oracle | 60 | |
| tig3rpuppet | Passwords as Keys | 50 | |
| dawsonpelter | Finding Flags | 2 | |
| chopingang | Symmetry | 50 | |
| tig3rpuppet | Modes of Operation Starter | 15 | |
| tig3rpuppet | Bringing It All Together | 50 | |
| seanpaik | JSON in JSON | 40 | |
| pin | LWE Background | 5 | |
| Biggyone10 | ASCII | 5 | |
| Baboon | Resisting Bruteforce | 10 | |
| Baboon | Keyed Permutations | 5 | |
| Justdoingcrypt | Greatest Common Divisor | 15 | |
| antonioabs | WOTS Up 2 | 90 | |
| tig3rpuppet | Diffusion through Permutation | 30 | |
| Biggyone10 | Great Snakes | 3 | |
| milezita | WOTS Up 2 | 90 | |
| antonioabs | WOTS Up | 75 | |
| Biggyone10 | Finding Flags | 2 | |
| antonioabs | Merkle Trees | 25 | |
| milezita | WOTS Up | 75 | |
| teetoamate | Broken RSA | 100 | |
| Siphedrion | JWT Sessions | 10 | |
| seanpaik | RSA or HMAC? | 35 | |
| seanpaik | JWT Secrets | 25 | |
| seanpaik | No Way JOSE | 20 | |
| milezita | Merkle Trees | 25 | |
| tig3rpuppet | Confusion through Substitution | 25 | |
| EntropyRoger | Hex | 5 | |
| milezita | Let's Decrypt Again | 175 | |
| maxw44266 | Quadratic Residues | 25 | |
| Vector | RSA or HMAC? Part 2 | 100 | |
| antonioabs | Let's Decrypt Again | 175 |
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